Nervous system and altitude syndrome of high altitude asthenia.
D000328:Adult; D000531:Altitude; D000532:Altitude Sickness / Q000503:physiopathology; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D008297:Male; D001523:Mental Disorders / Q000209:etiology; D008875:Middle Aged; D009440:Neurasthenia / Q000209:etiology*; D013577:Syndrome