Squarcione, S., & Pompa, M. G. (1997). Morbidity from hepatitis B after introduction of nationwide immunisation in Italy. Lancet, 350(9071), 114. https://doi.org/10.1016/S0140-6736(05)61816-8
Chicago Style (17th ed.) CitationSquarcione, Salvatore, and M. Grazia Pompa. "Morbidity from Hepatitis B After Introduction of Nationwide Immunisation in Italy." Lancet 350, no. 9071 (1997): 114. https://doi.org/10.1016/S0140-6736(05)61816-8.
MLA (9th ed.) CitationSquarcione, Salvatore, and M. Grazia Pompa. "Morbidity from Hepatitis B After Introduction of Nationwide Immunisation in Italy." Lancet, vol. 350, no. 9071, 1997, p. 114, https://doi.org/10.1016/S0140-6736(05)61816-8.
Warning: These citations may not always be 100% accurate.