title: Effect of altitude acclimatization and simultaneous acclimatization to altitude and cold on critical flicker frequency at 11,000 ft. altitude in man.
mesh_terms: D000064:Acclimatization; D000222:Adaptation, Physiological; D000328:Adult; D000337:Aerospace Medicine; D000531:Altitude; D003080:Cold Temperature; D005425:Flicker Fusion; D006801:Humans; D000860:Hypoxia; D008297:Male