European Journal of Obstetrics & Gynecology and Reproductive Biology · 1981 · 17 citations · 2 references
EmbryologyFertilityGynecologyMaternal HealthPregnancyPlacental DiseaseMaternal-fetal MedicinePublic HealthFetal ComplicationMedicinePlacental DevelopmentRecurrent Placenta Previa
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Carlyle Crenshaw, D. E. Darnell Jones, Roy T. Parker · Obstetrical & Gynecological Survey · 1973 · 55 citations