Frietsch, Jochen, Detlef Michel, Thomas Stamminger, Friederike Hunstig, Sebastian Birndt, Ulf Schnetzke, Sebastian Scholl, Andreas Hochhaus, and Inken Hilgendorf. “In Vivo Emergence of UL56 C325Y Cytomegalovirus Resistance to Letermovir in a Patient With Acute Myeloid Leukemia After Hematopoietic Cell Transplantation”. Mediterranean Journal of Hematology and Infectious Diseases 11, no. 1 (January 1, 2019): e2019001. Accessed December 14, 2019. http://mjhid.org/index.php/mjhid/article/view/2019.001.