in order to investigate parasympathetic mechanisms in experimental heart failure , measurements were made of choline acetyltransferase ( cat ) activity and [ 3h ] -quinuclidinyl benzilate ( qnb ) binding in hearts of 1 ) hamsters with skeletal and cardiac myopathy , 2 ) dogs with pulmonary artery constriction and tricuspid avulsion , and 3 ) guinea pigs with pulmonary artery constriction .
C0018801
heart failure
C0018787
cardiac