title: Timed-release pentaerythritol tetranitrate and placebo in the management of angina pectoris.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010417:Pentaerythritol Tetranitrate / Q000008:administration & dosage*; D010919:Placebos
chemical_list: D003692:Delayed-Action Preparations; D010919:Placebos; D010417:Pentaerythritol Tetranitrate