Araña, M. Gavira,J . J. Peña, E. González, A. Abizanda, G. Cilla, M. Pérez, M. M. Albiasu, E. Aguado, N. Casado, M. López, B. González, S. Soriano, M. Moreno, C. Merino, J. García-Verdugo, J. Díez, J. Doblaré, M. Pelacho, B. Prosper, F. Epicardial delivery of collagen patches with adipose-derived stem cells in rat and minipig models of chronic myocardial infarction Biomaterials 10.1016/j.biomaterials.2013.09.083 2014 2014