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Advances in Contraception : the Official Journal of the Society for the Advancement of Contraception|December 1, 1988
Pregnancy outcome associated with natural family planning (NFP): scientific basis and experimental design for an international cohort studyJ L Simpson, R H Gray, J T Queenan, et al.
Prenatal Diagnosis|November 1, 1991
Alpha-fetoprotein and acetylcholinesterase are not predictive of fetal junctional epidermolysis bullosa, Herlitz variantL P Shulman, S Elias, R N Andersen, et al.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)|February 1, 1987
Verification of early pregnancy tests in a multicenter trialL Jovanovic, M Singh, B B Saxena, et al.
Genetics in Medicine : Official Journal of the American College of Medical Genetics|March 17, 2001
Gender verification of female athletesL J Elsas, A Ljungqvist, M A Ferguson-Smith, et al.
Human Reproduction (Oxford, England)|September 1, 1996
Further evidence that infection is an infrequent cause of first trimester spontaneous abortionJ L Simpson, R H Gray, J T Queenan, et al.
Fetal Diagnosis and Therapy|March 1, 1993
Inability to detect fetal metaphases in flow-sorted lymphocyte cultures based on maternal-fetal HLA differencesA T Tharapel, V L Jaswaney, M E Dockter, et al.
Fertility and Sterility|May 20, 1998
Lack of association between antiphospholipid antibodies and first-trimester spontaneous abortion: prospective study of pregnancies detected within 21 days of conceptionJ L Simpson, S A Carson, C Chesney, et al.
Diabetes Care|June 26, 2001
Declining insulin requirement in the late first trimester of diabetic pregnancyL Jovanovic, R H Knopp, Z Brown, et al.
Diabetes Care|November 5, 1998
The Diabetes in Early Pregnancy Study: beta-hydroxybutyrate levels in type 1 diabetic pregnancy compared with normal pregnancy. NICHD-Diabetes in Early Pregnancy Study Group (DIEP). National Institute of Child Health and DevelopmentL Jovanovic, B E Metzger, R H Knopp, et al.
The New England Journal of Medicine|August 17, 1989
The absence of a relation between the periconceptional use of vitamins and neural-tube defects. National Institute of Child Health and Human Development Neural Tube Defects Study GroupJ L Mills, G G Rhoads, J L Simpson, et al.
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