M. Povar Echeverría, G. Hurtado Rodríguez, E. M. Moreno Esteban, and P. E. Auquilla Clavijo, “Intracardiac thrombosis associated with a pacemaker lead in a patient with antiphospholipid syndrome”, Rev Ecocardiogr Pract Otras Tec Imag Card (RETIC), vol. 5, no. 1, pp. 37–40, Apr. 2022.