title: Nifedipine and metoprolol in suspected unstable angina. Review of other trials.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000787:Angina Pectoris / Q000188:drug therapy*; D000789:Angina, Unstable / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D009543:Nifedipine / Q000627:therapeutic use*
chemical_list: D000319:Adrenergic beta-Antagonists; D009543:Nifedipine