[History and evolution of the "obstetrical vacuum extractor"].
FEO CODECIDO
E
E
D005075:Biological Evolution; D036861:Delivery, Obstetric; D004864:Equipment and Supplies; D005260:Female; D006801:Humans; D009774:Obstetrics / Q000600:supply & distribution*; D011247:Pregnancy; D014618:Vacuum; D014620:Vacuum Extraction, Obstetrical
DELIVERY; OBSTETRICS/equipment and supplies