forty elderly patients , aged 68 to 89 years , with congestive cardiac failure , who were attending a hospital out-patients department , entered an open , parallel group , comparative study of two diuretic combinations , 40 mg frusemide plus 5 mg amiloride per tablet and 0.5 mg bumetanide plus 573 mg slow-release potassium chloride per tablet .
C0018802
congestive cardiac failure
C0002502
amiloride