Toselli, P., Di Matteo, R., Penpa, S., Bolgeo, T., Gatti, D., Marino, E., Montanari, B., Ricci, M., Bolla, C. and Maconi, A. 2023. Assessment of hand hygiene procedures during the pre- and post-pandemic period: a pre-post study. Working Paper of Public Health. 11, 1 (Jul. 2023). DOI:https://doi.org/10.4081/wpph.2023.9718.