[Study of heart failure. Is phytotherapy effective?].
D002316:Cardiotonic Agents / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D005419:Flavonoids / Q000008:administration & dosage*; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
D002316:Cardiotonic Agents; D005419:Flavonoids; C421782:WS 1442