Altitude and demography among the Sherpas.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000531:Altitude; D002648:Child; D002675:Child, Preschool; D003710:Demography; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008875:Middle Aged; D009390:Nepal; D010298:Parity