van Marcke de Lummen, C. J., Azar, A. R., Dumont, F., Papadatos, S., & De Meester, A. (2014). Pneumopericardium after permanent pacemaker implantation. Acta Cardiologica : an international journal of cardiology, 69(3), 313-314. https://doi.org/10.2143/AC.69.3.3027836 (Original work published 2014)