D'Angiolella LS, Lafranconi A, Cortesi PA, Rota S, Cesana G, Mantovani LG. Costs and effectiveness of influenza vaccination: a systematic review. Ann Ist Super Sanità [Internet]. 2018 Mar. 29 [cited 2024 Sep. 7];54(1):49-57. Available from: https://annali.iss.it/index.php/anna/article/view/596