1. [Forceps delivery] Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): Extraction, ObstetricalObstetrical Forceps
2. Two cases of inhalation of ether in instrumental labor Author(s): Channing, Walter, 1786-1876 Publication: [Boston : s.n., 1847?] Subject(s): Extraction, ObstetricalEther -- therapeutic use
