Caldas Afonso, Alberto. “Science As a Guarantee of Civilizational Development: Vaccines As the Safest and Most Effective Way to Prevent Disease and Save Lives”. BIRTH AND GROWTH MEDICAL JOURNAL 30, no. 3 (September 30, 2021): 141–142. Accessed October 2, 2026. https://revistas.rcaap.pt/bgmj/article/view/25532.