Evaluation of the incremental prognostic utility of increasingly complex testing in chronic heart failure

Tariq Ahmad, Emily C. O'Brien, Phillip J. Schulte, Susanna R. Stevens, Mona Fiuzat, Dalane W. Kitzman, Kirkwood F. Adams, William E. Kraus, Ileana L. Piña, Mark P. Donahue, Faiez Zannad, David J. Whellan, Christopher M. O'Connor, G. Michael Felker