title: When to use ACE inhibitors in heart failure.
mesh_terms: D000806:Angiotensin-Converting Enzyme Inhibitors; D002216:Captopril / Q000627:therapeutic use; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
chemical_list: D000806:Angiotensin-Converting Enzyme Inhibitors; D002216:Captopril