机构:
UNIV SHEFFIELD,DEPT MED & PHARMACOL,RESP MED SECT,SHEFFIELD S10 2TN,S YORKSHIRE,ENGLANDUNIV SHEFFIELD,DEPT MED & PHARMACOL,RESP MED SECT,SHEFFIELD S10 2TN,S YORKSHIRE,ENGLAND
机构:Ohio State University College of Medicine, Department of Obstetrics and Gynaecology, Division of Maternal, Fetal Medicine, Columbus, Ohio, 43210-1228, 5th Floor Means Hall
TUOHY, J
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1994,
101
(05):
: 461
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461