Digoxin: new answers; new questions.
D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use; D004077:Digoxin / Q000627:therapeutic use*; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
D000806:Angiotensin-Converting Enzyme Inhibitors; D004077:Digoxin