[Dutch Society for Obstetrics and Gynecology. 460th meeting of 21 January 1978. Abstracts].
D003226:Congresses as Topic; D005260:Female; D005831:Genital Diseases, Female / Q000628:therapy*; D006176:Gynecology; D006801:Humans; D009426:Netherlands; D009774:Obstetrics; D011247:Pregnancy; D012955:Societies, Medical
Nederlandse Vereniging voor Obstetrie en Gynaecologie. 460e vergadering gehouden op 21 januari 1978.