Magnitude of troponin elevation in patients with biomarker evidence of myocardial injury: relative frequency and outcomes in a cohort study across a large healthcare system oleh Colleen K. McIlvennan, Manuel Urra, Laura Helmkamp, John C. Messenger, David Raymer, Karen S. Ream, J. Bradley Oldemeyer, Amrut V. Ambardekar, Kathleen Barnes, Larry A. Allen