title: Calcium-blocker therapy for unstable angina pectoris.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage; D000787:Angina Pectoris / Q000188:drug therapy* / Q000601:surgery; D002121:Calcium Channel Blockers / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D001026:Coronary Artery Bypass; D004359:Drug Therapy, Combination; D006760:Hospitalization; D006801:Humans; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D009566:Nitrates / Q000008:administration & dosage; D011725:Pyridines / Q000627:therapeutic use*; D011897:Random Allocation
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers; D009566:Nitrates; D011725:Pyridines; D009543:Nifedipine