Rojas-Contreras, Christian, et al. “Resistance to Ganciclovir in Cytomegalovirus Infection After Heart Transplant: Case Report”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 35, no. 1, Mar. 2018, pp. 145-9, https://doi.org/10.17843/rpmesp.2018.351.3562.