Chichirelo-Konstantynovych, K. D. “Community-Acquired Pneumonia Associated With Cytomegalovirus Persistence: Prevalence and Peculiarities of Clinical Course”. Zaporozhye Medical Journal 20, no. 3 (May 30, 2018). Accessed May 24, 2025. https://zmj.zsmu.edu.ua/article/view/132125.