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Prenatal Diagnosis|May 1, 1992
Cytogenetic results from the U.S. Collaborative Study on CVSD H Ledbetter, J M Zachary, J L Simpson, et al.American Journal of Medical Genetics|August 1, 1992
Oculoauriculovertebral anomaly: segregation analysisC I Kaye, A O Martin, B R Rollnick, et al.Human Reproduction (Oxford, England)|July 1, 1998
Sex ratio associated with timing of insemination and length of the follicular phase in planned and unplanned pregnancies during use of natural family planningR H Gray, J L Simpson, A C Bitto, et al.Journal of the Society for Gynecologic Investigation|March 31, 2004
The effect of the elapsed time between blood draw and processing on the recovery of fetal cells from maternal bloodK A Dukes, L M Sullivan, D Lewis, et al.Diabetes Care|May 1, 1995
Metabolic control and progression of retinopathy. The Diabetes in Early Pregnancy Study. National Institute of Child Health and Human Development Diabetes in Early Pregnancy StudyE Y Chew, J L Mills, B E Metzger, et al.Advances in Contraception : the Official Journal of the Society for the Advancement of Contraception|September 21, 2000
Knowledge of likely time of ovulation and contraceptive use in unintended pregnanciesE C Gadow, V H Jennings, J S López-Camelo, et al.Prenatal Diagnosis|May 1, 1992
Risk factors associated with transcervical CVS lossesM S Golbus, J L Simpson, S E Fowler, et al.American Journal of Perinatology|April 1, 1989
Drug ingestion during pregnancy: infrequent exposure in a contemporary United States sample. National Institute of Child Health and Human Development Diabetes in Early Pregnancy Study GroupJ L Simpson, J L Mills, A Morey, et al.American Journal of Obstetrics and Gynecology|March 1, 1992
Unexplained elevated maternal serum alpha-fetoprotein is not predictive of adverse perinatal outcome in an indigent urban populationO P Phillips, J L Simpson, C D Morgan, et al.The New England Journal of Medicine|August 27, 1992
A randomized comparison of transcervical and transabdominal chorionic-villus sampling. The U.S. National Institute of Child Health and Human Development Chorionic-Villus Sampling and Amniocentesis Study GroupL G Jackson, J M Zachary, S E Fowler, et al.Pageof 25