title: Epidural in labour: easy technique, failed analgesia.
authors.forename: D
authors.initials: D
authors.lastname: Coelho
authors.forename: T
authors.initials: T
authors.lastname: Fernandes
authors.forename: P
authors.initials: P
authors.lastname: Branca
mesh_terms: D000328:Adult; D015360:Analgesia, Epidural / Q000009:adverse effects* / Q000295:instrumentation / Q000379:methods; D005260:Female; D006801:Humans; D048949:Labor Pain / Q000000981:diagnostic imaging / Q000188:drug therapy*; D011247:Pregnancy; D011859:Radiography