American Journal of Obstetrics and Gynecology · 1963 · 120 citations · 0 references
MedicineMaternal HealthObstetricsMaternal-fetal MedicineObstetric ComplicationsReproductive ImmunologyEclampsiaMaternal Medical Complications In PregnancyMaternal Medical ConditionsPregnancyPregnancy ImmunologyPrenatal CarePregnancy-related ConditionsPregnancy-related Medical ConditionsStress During Pregnancy