D. . Guzmán-Ramírez, J. L. . Betanzos-Arredondo, and M. del C. . López-Rincón, “Cardiac perforation by pacemaker electrode. Usefulness of cardio-CT. About two cases”, Rev Ecocardiogr Pract Otras Tec Imag Card (RETIC), vol. 1, no. 1, pp. 23–25, Apr. 2018.