title: Pharmacological treatment of chronic systolic heart failure: are we scraping the bottom of the barrel?
authors: Michele
authors: M
authors: Correale
authors: Riccardo
authors: R
authors: Ieva
authors: Matteo
authors: M
authors: Di Biase
mesh_terms: D002317:Cardiovascular Agents / Q000009:adverse effects / Q000627:therapeutic use*; D019317:Evidence-Based Medicine; D054143:Heart Failure, Systolic / Q000188:drug therapy*; D006801:Humans; D058986:Phosphodiesterase 5 Inhibitors / Q000627:therapeutic use; D016896:Treatment Outcome
chemical_list: D002317:Cardiovascular Agents; D058986:Phosphodiesterase 5 Inhibitors