title: [Obstetrical anesthesia and analgesia in Poland. A historical outline].
mesh_terms: D000773:Anesthesia, Obstetrical / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D011044:Poland
vernacular_title: Problem znieczulenia porodu w historii polskiej kliniki połozniczej