title: Introduction to a previously unpublished paper by A. M. Kellas.
authors.forename: J B
authors.initials: JB
authors.lastname: West
mesh_terms: D000064:Acclimatization; D000532:Altitude Sickness / Q000266:history* / Q000503:physiopathology; D001274:Atmospheric Pressure; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008373:Manuscripts as Topic; D009051:Mountaineering / Q000266:history*; D009390:Nepal; D010101:Oxygen Consumption; D010827:Physiology / Q000266:history