Petrone, D., Sacco, C., Mateo-Urdiales, A., Fotakis, E.A., Alfò, M., Pezzotti, P. and Fabiani, M. 2025. Comparing results from a traditional multivariable model and seven propensity score-based models for estimating COVID-19 vaccine effectiveness. Annali dell’Istituto Superiore di Sanità. 61, 4 (Dec. 2025), 277–284. DOI:https://doi.org/10.4415/ANN_25_04_06.