in six healthy volunteers pharmacokinetic and pharmacodynamic interaction of metoprolol and nifedipine with cimetidine and ranitidine was investigated after 1 week of monotherapy with nifedipine and metoprolol and after 1 week each of combined treatment of these drugs with the h2-receptor antagonists .
C0008783
cimetidine
C2757005
h2-receptor antagonists