sublingual administration of nifedipine ( n ) at a dose of 20 mg to 8 persons without cardiovascular and renal pathology and to 19 patients with congestive heart failure ( chf ) increased renal excretion of sodium ( by an average of 51.1-132.8 % ) , water ( by an average of 31.7-101.9 % ) , potassium ( by an average of 43.2-63.2 % ) and calcium ( by an average of 118 % ) .
C0007226
cardiovascular
C0018802
congestive