American Journal of Obstetrics and Gynecology · 1989 · 167 citations · 21 references
Life SciencesDevelopmental BiologyObstetricsEmbryologyMaternal-fetal MedicineAmino Acid MetabolismFetal DevelopmentFetal PhysiologyMaternal-fetal PhysiologyPregnancyPrenatal DevelopmentAmino AcidsGestational Age Measurement
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Irene Cetin, Anna Maria Marconi, Patrizia Bozzetti et al. · American Journal of Obstetrics and Gynecology · 1988 · 178 citations