Kalinichenko, Svitlana, Inna Torianyk, Kristina Milentieva, Tetyana Antusheva, Tetyana Moiseenko, and Pavlo Ovetchyn. “Status of Specific Measles Immunity Among Townspeople in Kharkiv Region”. Annals of Mechnikov’s Institute, no. 4 (December 14, 2022): 64–66. Accessed April 24, 2024. https://journals.uran.ua/ami/article/view/266437.