title: Rectal analgesia for labor and delivery: an historical assessment.
authors.affiliation: Mayo Clinic, Rochester, Minnesota, USA.
authors.forename: Gurinder M
authors.initials: GM
authors.lastname: Vasdev
authors.forename: Douglas R
authors.initials: DR
authors.lastname: Bacon
mesh_terms: D000285:Administration, Rectal; D016362:Analgesia, Obstetrical / Q000266:history* / Q000379:methods; D000776:Anesthesiology / Q000266:history*; D004986:Ether / Q000008:administration & dosage / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy
chemical_list: D004986:Ether