title: Nifedipine and metoprolol in suspected unstable angina. Principles of intervention research.
authors.forename: J G
authors.initials: JG
authors.lastname: Tijssen
authors.forename: J
authors.initials: J
authors.lastname: Lubsen
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D000789:Angina, Unstable / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004992:Ethics, Medical; D006801:Humans; D008790:Metoprolol / Q000627:therapeutic use*; D009426:Netherlands; D009543:Nifedipine / Q000627:therapeutic use*; D012107:Research Design
chemical_list: D008790:Metoprolol; D009543:Nifedipine