title: [The normal alveolar-arterial PO2 gradient at rest and during exercise].
mesh_terms: D019069:Cell Respiration; D015444:Exercise; D006801:Humans; D010100:Oxygen / Q000378:metabolism*; D005082:Physical Exertion; D012119:Respiration / Q000502:physiology*; D012146:Rest
chemical_list: D010100:Oxygen
keywords: EXERTION; OXYGEN/metabolism; RESPIRATION/physiology