TY - RPRT TI - Caffeine prolongs exercise duration in heart failure. AU - Catherine F Notarius AU - Beverley Morris AU - John S Floras PY - 2006 DO - 10.1016/j.cardfail.2005.12.005 UR - https://pubmed.ncbi.nlm.nih.gov/16624688/ ID - 16624688 ER -