title: Everest without oxygen.
mesh_terms: D005101:Expeditions / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009051:Mountaineering; D009390:Nepal; D010100:Oxygen / Q000502:physiology*; D010807:Physical Endurance
chemical_list: D010100:Oxygen