Physiological effects of high altitude on the pulmonary circulation.
D000531:Altitude; D000818:Animals; D001794:Blood Pressure; D002417:Cattle; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D008168:Lung / Q000098:blood supply / Q000502:physiology; D011652:Pulmonary Circulation; D013045:Species Specificity; D014661:Vasoconstriction