title: Cardiac resynchronization for progressive heart failure.
authors.forename: John G F
authors.initials: JG
authors.lastname: Cleland
authors.forename: Nick
authors.initials: N
authors.lastname: Freemantle
mesh_terms: D002304:Cardiac Pacing, Artificial; D017147:Defibrillators, Implantable; D006333:Heart Failure / Q000401:mortality / Q000628:therapy*; D006801:Humans; D015201:Meta-Analysis as Topic; D016017:Odds Ratio; D016032:Randomized Controlled Trials as Topic