Some aspects of trekking in the Himalayas.
D000064:Acclimatization; D000328:Adult; D000532:Altitude Sickness / Q000517:prevention & control* / Q000628:therapy; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D009051:Mountaineering; D010809:Physical Fitness