authors Zeitler, Emily P Ewald, Gregory A Fleg, Jerome L Piña, Ileana L O'Connor, Christopher M Piccini, Jonathan P Hellkamp, Anne S Whellan, David J Jackson, Kevin P Ellis, Stephen J William E. Kraus, MD Keteyian, Steven J Kitzman, Dalane W
has subject area Aged Cardiac Resynchronization Therapy Exercise Exercise Therapy Female Follow-Up Studies Heart Failure Humans Male Middle Aged Pacemaker, Artificial Treatment Outcome