title: The saccus endolymphaticus and an operation for draining the same for the relief of vertigo. 1927.
authors.forename: G
authors.initials: G
authors.lastname: Portmann
mesh_terms: D004322:Drainage / Q000266:history; D004712:Endolymphatic Sac / Q000601:surgery*; D049673:History, 20th Century; D006801:Humans; D014717:Vertigo / Q000266:history* / Q000601:surgery