1.
Affanni P, Veronesi L, Rizziero, et al. S. Status of immunity against poliomyelitis: a study among european and extra-european young immigrants living in Parma. Acta Biomed. 2005;76(3):157-164. Accessed February 24, 2025. https://mattioli1885journals.com/index.php/actabiomedica/article/view/2039