American Journal of Obstetrics and Gynecology · 1999 · 275 citations · 28 references
MedicineGynecologyObstetricsAssisted Reproductive TechnologiesReproductive HealthReproductive MedicineAntenatal CareAssisted ReproductionAssisted Reproductive TechniquesPerinatal CarePregnancyAssisted Reproductive Technology ConceptionCase-control Study DesignPerinatal Outcome MonitoringPerinatal Outcome PredictionPregnancy Outcome Assessment
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