to assess the dosing equivalency and the early and late antianginal efficacy of a gastrointestinal therapeutic system for once-daily , continuous-release nifedipine ( n-gits ) , 10 patients with stable angina pectoris , who were previously receiving chronic treatment with nifedipine , completed a 12-week trial comparing n-gits with standard nifedipine .
C0340288
stable angina pectoris
C0028066
nifedipine