title: Is catch-22 alive and well and living at NHLBI? Reactions to 'digitalis--a new controversy regarding an old drug'.
mesh_terms: D002986:Clinical Trials as Topic; D004070:Digitalis; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011897:Random Allocation; D012189:Retrospective Studies