Cardiac performance in the unanesthetized senescent male rat.
D000375:Aging; D000818:Animals; D001158:Arteries / Q000502:physiology; D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D005260:Female; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D011433:Propranolol / Q000494:pharmacology; D011865:Radioisotope Dilution Technique; D011868:Radioisotopes; D051381:Rats; D012146:Rest; D012413:Rubidium; D013995:Time
D011868:Radioisotopes; D011433:Propranolol; D012413:Rubidium