title: [On the use of beta-receptor-blocking agents in heart therapy].
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D003327:Coronary Disease / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D011433:Propranolol / Q000627:therapeutic use; D013565:Sympatholytics / Q000627:therapeutic use*
chemical_list: D013565:Sympatholytics; D011433:Propranolol
vernacular_title: Zur Anwendung von Beta-Rezeptoren-Blockern in der Herztherapie.