A. Boguszewska, M. Wos, A. Jarzynski, and M. Polz-Dacewicz, “Frequency of JC Virus Appearance in the Urine of Post-Transplantation Patients”, Curr. Issues Pharm. Med. Sci., vol. 31, no. 2, pp. 53–56, Jun. 2025, doi: 10.1515/cipms-2018-0011.