title: Letter: Ventilatory response to hypoxia.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology*; D008168:Lung / Q000503:physiopathology*; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D010313:Partial Pressure; D012119:Respiration
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen