Differentiation and quantification of fibrosis, fat and fatty fibrosis in human left atrial myocardium using ex vivo MRI. oleh Khaoula Bouazizi, Amer Rahhal, Slawomir Kusmia, Morgane Evin, Carine Defrance, Philippe Cluzel, Myriam Berthet, Fabrice Atassi, Pascal Leprince, Guillaume Lebreton, Nadjia Kachenoura, Stéphane N Hatem, Alban Redheuil