Signorelli, Carlo, et al. “The Italian National Vaccine Prevention Plans, 1999 2020-2023 2025: Challenges and Obstacles to Vaccine Coverage Goals”. Annali dell’Istituto Superiore Di Sanità, vol. 60, no. 4, Dec. 2024, pp. 247-51, doi:10.4415/ANN_24_04_02.