Childbirth as a pathological process: an American perspective.
D000700:Analgesics; D004841:Episiotomy; D005260:Female; D006801:Humans; D007751:Labor, Induced; D007743:Labor, Obstetric; D010120:Oxytocics; D011247:Pregnancy; D012938:Social Perception; D014481:United States
D000700:Analgesics; D010120:Oxytocics