Feto-maternal plasma phenylalanine concentration gradient from 19 weeks gestation to term.
作者信息
Schoonheyt W E, Clarke J T, Hanley W B, Johnson J M, Lehotay D C
机构信息
Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada.
出版信息
Clin Chim Acta. 1994 Mar;225(2):165-9. doi: 10.1016/0009-8981(94)90044-2.
PMID:8088005
Abstract
Plasma phenylalanine concentrations in fetal blood, obtained by cordocentesis, were compared with simultaneous peripheral venous plasma phenylalanine levels in mothers. The feto-maternal phenylalanine concentration ratio showed a gradual decrease from 19 weeks of gestation to term with an overall ratio of 1.35 +/- 0.42 (mean +/- S.D., n = 14).
摘要
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