title: Simpson, Semmelweis, and transformational change.
authors.forename: Naomi E
authors.initials: NE
authors.lastname: Stotland
authors.forename: Nada L
authors.initials: NL
authors.lastname: Stotland
mesh_terms: D016362:Analgesia, Obstetrical; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D048949:Labor Pain / Q000523:psychology* / Q000628:therapy*; D017060:Patient Satisfaction; D011247:Pregnancy