title: [Clinical electrophysiological studies of higenamine in sick sinus syndrome].
mesh_terms: D000328:Adult; D000368:Aged; D000470:Alkaloids / Q000494:pharmacology*; D002316:Cardiotonic Agents / Q000494:pharmacology*; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000188:drug therapy / Q000503:physiopathology*; D044005:Tetrahydroisoquinolines
chemical_list: D000470:Alkaloids; D002316:Cardiotonic Agents; D044005:Tetrahydroisoquinolines; C012348:higenamine