title: [The BLOCK HF study].
authors: Giuseppe
authors: G
authors: Boriani
authors: Biagio
authors: B
authors: Sassone
mesh_terms: D054537:Atrioventricular Block / Q000628:therapy*; D058406:Cardiac Resynchronization Therapy; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic