in 5 patients with mitral valve disease the density of calcium channel sites labelled with [ 3h ] -nimodipine was 78 +/- 5 fmol mg-1 with a kd of 290 +/- 20 pmol l-1 , in hocm patients the density of calcium channel sites labelled with the benzoxadiazol 1,4-dihydropyridine ( [ 3h ] - ( + ) -pn 200-110 ) was 1.6 fold of that labelled with [ 3h ] -nimodipine with a kd of 84 +/- 11 pmol l-1 .
C0012315
dihydropyridine
C0028094
nimodipine