therefore , to establish that the combination regimen was at least as effective as either atenolol or nifedipine alone , a multicentre study was performed to compare the treatment regimens in 94 patients with characteristic chest pain compatible with a diagnosis of stable angina pectoris which was provoked by effort and relieved by glyceryl trinitrate .
C0028066
nifedipine
C0340288
stable angina pectoris