title: Practolol--a cardioselective beta adrenergic blocking agents in the treatment of angina pectoris 'a double blind trial'.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011217:Practolol / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D011217:Practolol