Ryczkowski, Aleksander, Aleksander Sławiński, Zuzanna Toruń, Anna Orzeł, and Halina Piecewicz-Szczęsna. “Dengue Virus Infection in a Course of Typhoid Fever”. Journal of Education, Health and Sport 8, no. 9 (September 17, 2018): 1090–1094. Accessed June 29, 2025. https://apcz.umk.pl/JEHS/article/view/6012.