SOME BIOLOGIC LIMITATIONS TO PROLONGED  BLOOD PUMPING.
D000818:Animals; D001688:Biological Products; D004285:Dogs; D004912:Erythrocytes; D004920:Erythropoiesis; D006321:Heart; D006354:Heart, Artificial; D006400:Hematocrit; D006454:Hemoglobins; D006461:Hemolysis; D008660:Metabolism; D012106:Research
D001688:Biological Products; D006454:Hemoglobins
DOGS; ERYTHROCYTES; ERYTHROPOIESIS; EXPERIMENTAL LAB STUDY; HEART, MECHANICAL; HEMATOCRIT; HEMOGLOBIN; HEMOLYSIS; METABOLISM