“Vaccination Outside the National Vaccination Plan for Children Aged 2 to 4 Years: Factors Associated With Compliance from the Perspectives of the Pediatrician and the General Practitioner”. Portuguese Journal of Family Medicine and General Practice 32, no. 1 (February 1, 2016): 16–28. Accessed April 17, 2026. https://rpmgf.pt/ojs/index.php/rpmgf/article/view/11686.