Nutrition, environment and work performance with special reference to altitude.
D000222:Adaptation, Physiological; D000328:Adult; D000531:Altitude; D001481:Basal Metabolism; D001833:Body Temperature Regulation / Q000502:physiology; D001835:Body Weight; D002151:Calorimetry; D002980:Climate; D004231:Diuresis; D006801:Humans; D007668:Kidney / Q000502:physiology; D008297:Male; D008887:Military Medicine; D009747:Nutritional Physiological Phenomena; D005082:Physical Exertion; D013696:Temperature; D014882:Water-Electrolyte Balance