Recertification in obstetrics and gynecology.
D002568:Certification / Q000266:history; D004521:Educational Measurement; D005260:Female; D006176:Gynecology / Q000592:standards*; D006666:History of Medicine; D006801:Humans; D009774:Obstetrics / Q000592:standards*; D011247:Pregnancy; D013044:Specialty Boards; D014481:United States