Observations on man in an oxygen-helium environment at 380 mm. Hg total pressure. II. Respiratory.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D001274:Atmospheric Pressure; D002245:Carbon Dioxide; D002248:Carbon Monoxide; D018504:Ecological Systems, Closed; D006371:Helium; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D010100:Oxygen; D010101:Oxygen Consumption; D012119:Respiration / Q000502:physiology*; D012129:Respiratory Function Tests; D013147:Spirometry
D002245:Carbon Dioxide; D006371:Helium; D002248:Carbon Monoxide; D010100:Oxygen