authors Felker, G Michael O'Connor, Christopher M Whellan, David William E. Kraus, MD Clare, Robert Zannad, Faiez Donahue, Mark Adams, Kirkwood McKelvie, Robert Piña, Ileana L
has subject area Aged Biomarkers Chronic Disease Cohort Studies Data Collection Exercise Test Exercise Tolerance Female Heart Failure Humans Male Middle Aged Natriuretic Peptide, Brain Oxygen Consumption Peptide Fragments Prognosis Protein Precursors ROC Curve Ventricular Dysfunction, Left