title: Ventilation-perfusion distribution in young and old volunteers during mild exercise.
mesh_terms: D000328:Adult; D000375:Aging; D002248:Carbon Monoxide; D002302:Cardiac Output; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D014692:Ventilation-Perfusion Ratio
chemical_list: D002248:Carbon Monoxide