title: A comparison of two nifedipine dosages in the treatment of chronic angina.
mesh_terms: D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D002908:Chronic Disease; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008297:Male; D009543:Nifedipine / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D009543:Nifedipine