title: Acute polycythemia and human performance during exercise and exposure to extreme environments.
authors.forename: M N
authors.initials: MN
authors.lastname: Sawka
authors.forename: A J
authors.initials: AJ
authors.lastname: Young
mesh_terms: D000531:Altitude; D004526:Efficiency; D004906:Erythrocyte Count; D015444:Exercise; D006358:Hot Temperature; D006801:Humans; D010807:Physical Endurance; D011086:Polycythemia; D013312:Stress, Physiological / Q000503:physiopathology