title: Echocardiographic evaluation for selection of candidates for CRT: the validity issue!
authors.forename: Biswajit
authors.initials: B
authors.lastname: Paul
mesh_terms: D002304:Cardiac Pacing, Artificial / Q000379:methods*; D004452:Echocardiography / Q000379:methods*; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D018579:Patient Selection; D015203:Reproducibility of Results