Pachnia, Agnieszka, Bartlomiej Drop, and Malgorzata Polz-Dacewicz. “The Epidemiological Situation in Ukraine in Terms of the Implementation of Preventive Vaccinations According to the Protective Vaccination Program”. Current Issues in Pharmacy and Medical Sciences 35, no. 2 (August 23, 2022): 75–79. Accessed July 4, 2025. https://czasopisma.umlub.pl/curipms/article/view/500.