|
|
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result sql = Determination of formaldehyde in shiitake mushroom by ionic liquid-based liquid-phase microextraction coupled with liquid chromatography.
Determination of formaldehyde in shiitake mushroom by ionic liquid-based liquid-phase microextraction coupled with liquid chromatography.char = U;code = 85
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char = ;code = 32
char = 3;code = 51
char = .;code = 46
char = 5;code = 53
char = %;code = 37
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = y;code = 121
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = 5;code = 53
char = 3;code = 51
char = .;code = 46
char = 5;code = 53
char = m;code = 109
char = u;code = 117
char = g;code = 103
char = l;code = 108
char = (;code = 40
char = -;code = 45
char = 1;code = 49
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = H;code = 72
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = 1;code = 49
char = 9;code = 57
char = -;code = 45
char = 4;code = 52
char = 9;code = 57
char = 4;code = 52
char = m;code = 109
char = u;code = 117
char = g;code = 103
char = g;code = 103
char = (;code = 40
char = -;code = 45
char = 1;code = 49
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = t;code = 116
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = m;code = 109
char = f;code = 102
char = u;code = 117
char = l;code = 108
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = h;code = 104
char = u;code = 117
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = m;code = 109
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = g;code = 103
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = m;code = 109
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = Using ionic liquid as extraction solvent and 2,4-dinitrophenylhydrazine (DNPH) as derivative agent, formaldehyde in shiitake mushroom was determined by liquid-phase microextraction coupled with high-performance liquid chromatography (HPLC). Shiitake mushroom was leached with water and filtrated, then the formaldehyde in filtrate was derivatized with DNPH and extracted simultaneously into a 10mul drop of ionic liquid suspended on the tip of the microsyringe, and finally injected into the HPLC system for determination. The proposed procedure has a detection limit of 5mugl(-1) formaldehyde in extraction solution, thus the mushroom sample filtrate could be diluted with a large ratio to eliminate the influence of sample matrix. The method has a relative standard deviation of 3.5% between days for 53.5mugl(-1) formaldehyde standards. High contents of formaldehyde (119-494mugg(-1) wet weight), which is harmful for human beings, were detected in shiitake mushroom. Therefore, strategies must be taken to prevent the accumulation and strictly control the content of formaldehyde in shiitake mushroom.
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = -;code = 45
char = b;code = 98
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = -;code = 45
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = .;code = 46
result sql = Determination of formaldehyde in shiitake mushroom by ionic liquid-based liquid-phase microextraction coupled with liquid chromatography.
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = ,;code = 44
char = 4;code = 52
char = -;code = 45
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = y;code = 121
char = l;code = 108
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = a;code = 97
char = z;code = 122
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = D;code = 68
char = N;code = 78
char = P;code = 80
char = H;code = 72
char = );code = 41
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = -;code = 45
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = -;code = 45
char = p;code = 112
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char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = ;code = 32
char = (;code = 40
char = H;code = 72
char = P;code = 80
char = L;code = 76
char = C;code = 67
char = );code = 41
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = h;code = 104
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
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char = l;code = 108
char = e;code = 101
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = l;code = 108
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = l;code = 108
char = t;code = 116
char = r;code = 114
char = a;code = 97
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char = e;code = 101
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = D;code = 68
char = N;code = 78
char = P;code = 80
char = H;code = 72
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
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char = m;code = 109
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char = l;code = 108
char = t;code = 116
char = a;code = 97
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char = e;code = 101
char = o;code = 111
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char = s;code = 115
char = l;code = 108
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char = t;code = 116
char = o;code = 111
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char = a;code = 97
char = ;code = 32
char = 1;code = 49
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char = l;code = 108
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char = o;code = 111
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char = f;code = 102
char = ;code = 32
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char = i;code = 105
char = q;code = 113
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char = i;code = 105
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = s;code = 115
char = p;code = 112
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result sql = Using ionic liquid as extraction solvent and 2,4-dinitrophenylhydrazine (DNPH) as derivative agent, formaldehyde in shiitake mushroom was determined by liquid-phase microextraction coupled with high-performance liquid chromatography (HPLC). Shiitake mushroom was leached with water and filtrated, then the formaldehyde in filtrate was derivatized with DNPH and extracted simultaneously into a 10mul drop of ionic liquid suspended on the tip of the microsyringe, and finally injected into the HPLC system for determination. The proposed procedure has a detection limit of 5mugl(-1) formaldehyde in extraction solution, thus the mushroom sample filtrate could be diluted with a large ratio to eliminate the influence of sample matrix. The method has a relative standard deviation of 3.5% between days for 53.5mugl(-1) formaldehyde standards. High contents of formaldehyde (119-494mugg(-1) wet weight), which is harmful for human beings, were detected in shiitake mushroom. Therefore, strategies must be taken to prevent the accumulation and strictly control the content of formaldehyde in shiitake mushroom.
Publication: Talanta 2005 Feb 15 ;65(3)::705-9. :doi: 10.1016/j.talanta.2004.07.037.
Publication Date: 2005 Feb 15
Study Author(s): Liu, Jing-Fu;Peng, Jin-Feng;Chi, Yu-Guang;Jiang, Gui-Bin;
Institution: Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, PR China.
Shortcut link to this study:
Publication Date: 2005 Feb 15
Study Author(s): Liu, Jing-Fu;Peng, Jin-Feng;Chi, Yu-Guang;Jiang, Gui-Bin;
Institution: Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, PR China.
Shortcut link to this study:
Using ionic liquid as extraction solvent and 2,4-dinitrophenylhydrazine (DNPH) as derivative agent, formaldehyde in shiitake mushroom was determined by liquid-phase microextraction coupled with high-performance liquid chromatography (HPLC). Shiitake mushroom was leached with water and filtrated, then the formaldehyde in filtrate was derivatized with DNPH and extracted simultaneously into a 10mul drop of ionic liquid suspended on the tip of the microsyringe, and finally injected into the HPLC system for determination. The proposed procedure has a detection limit of 5mugl(-1) formaldehyde in extraction solution, thus the mushroom sample filtrate could be diluted with a large ratio to eliminate the influence of sample matrix. The method has a relative standard deviation of 3.5% between days for 53.5mugl(-1) formaldehyde standards. High contents of formaldehyde (119-494mugg(-1) wet weight), which is harmful for human beings, were detected in shiitake mushroom. Therefore, strategies must be taken to prevent the accumulation and strictly control the content of formaldehyde in shiitake mushroom.
PMID: 18969856
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