Klagiša, Renāta, and Anija Meiere. “Incidence of Vaccine Preventable Diseases in Pediatric Population of Latvia”. Social Welfare: Interdisciplinary Approach 6, no. 1 (June 27, 2016): 52–60. Accessed June 7, 2025. https://www.zurnalai.vu.lt/social-welfare/article/view/28167.