title: [Retrospective and evaluation study and training in gyneco-obstetrics in the past 40 years].
mesh_terms: D004501:Education, Medical / Q000266:history; D006176:Gynecology / Q000193:education / Q000266:history*; D049673:History, 20th Century; D007564:Japan; D009774:Obstetrics / Q000193:education / Q000266:history*; D012189:Retrospective Studies