Z. R. Alejandro, P. R. J. Manuel, D. la C. O. Ramón, A. A. Luis, S. F. Ángel, and M. C. Carlos, “Reperfusion of Acute Myocardial Infarction in the elderly (clinical characteristics and prognosis) Results of the IMSS Nuevo León infarction code program”, J Cardiovasc Med Cardiol, vol. 5, no. 3, pp. 024–026, Sep. 2018.