[Opportunity and validity of a preparation with cardiotonic action administerable per os].
D000284:Administration, Oral; D002316:Cardiotonic Agents; D031405:Convallaria / Q000628:therapy*; D006333:Heart Failure / Q000628:therapy*; D011725:Pyridines / Q000628:therapy*
D002316:Cardiotonic Agents; D011725:Pyridines
CONVALLARIA/therapy; HEART FAILURE, CONGESTIVE/therapy; PYRIDINES/therapy