title: Effect of polycythemia and chronic hypoxia on heart mass in the chicken.
mesh_terms: D000222:Adaptation, Physiological; D000531:Altitude; D000818:Animals; D001810:Blood Volume; D006332:Cardiomegaly / Q000503:physiopathology*; D004920:Erythropoiesis / Q000187:drug effects; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006352:Heart Ventricles; D006400:Hematocrit; D000860:Hypoxia / Q000503:physiopathology*; D011086:Polycythemia / Q000139:chemically induced / Q000503:physiopathology*; D013739:Testosterone / Q000494:pharmacology
chemical_list: D013739:Testosterone