Addition of copeptin improves diagnostic performance of point-of-care testing (POCT) for cardiac troponin T in early rule-out of myocardial infarction: A pilot study - Vafaie, Mehrshad; Biener, Moritz; Müller-Hennessen, Matthias; Abu Sharar, Haitham; Katus, Hugo; Giannitsis, Evangelos (International journal of cardiology, 2015)