Myocardial fibrosis in asymptomatic and symptomatic chronic severe primary mitral regurgitation and relationship to tissue characterisation and left ventricular function on cardiov... oleh Boyang Liu, Desley A. H. Neil, Monisha Premchand, Moninder Bhabra, Ramesh Patel, Thomas Barker, Nicolas Nikolaidis, J. Stephen Billing, Thomas A. Treibel, James C. Moon, Arantxa González, James Hodson, Nicola C. Edwards, Richard P. Steeds