title: Historical review of caudal epidural analgesia in obstetrics.
mesh_terms: D000763:Anesthesia, Caudal / Q000266:history; D000767:Anesthesia, Epidural / Q000266:history*; D000773:Anesthesia, Obstetrical / Q000266:history*; D000779:Anesthetics, Local; D005260:Female; D005602:France; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy
chemical_list: D000779:Anesthetics, Local