title: Effects of polycythemia and altitude hypoxia on rat heart and exercise tolerance.
mesh_terms: D000531:Altitude; D000818:Animals; D005221:Fatigue / Q000209:etiology; D006400:Hematocrit; D000860:Hypoxia / Q000473:pathology*; D007668:Kidney / Q000473:pathology; D008297:Male; D009206:Myocardium / Q000473:pathology*; D005082:Physical Exertion; D011086:Polycythemia / Q000473:pathology*; D051381:Rats