The relative effect of hypoxia and gravity on pulmonary blood flow.
D002000:Bronchospirometry; D006112:Gravitation; D006801:Humans; D000860:Hypoxia; D007726:Krypton; D008297:Male; D010100:Oxygen / Q000097:blood; D011652:Pulmonary Circulation; D011868:Radioisotopes; D012039:Regional Blood Flow
D011868:Radioisotopes; D007726:Krypton; D010100:Oxygen