CHANGES IN ALVEOLAR AND ARTERIAL GAS TENSIONS AS RELATED TO ALTITUDE AND AGE.
D000064:Acclimatization; D000375:Aging; D000531:Altitude; D002245:Carbon Dioxide; D005853:Geriatrics; D006801:Humans; D010092:Oximetry; D012129:Respiratory Function Tests
D002245:Carbon Dioxide
ACCLIMATIZATION; AGING; ALTITUDE; CARBON DIOXIDE; GERIATRICS; OXIMETRY; RESPIRATORY FUNCTION TESTS