Silva, Ricardo J.O., Maria J.P.M. Athayde, Luis Guilherme P. Silva, Elisa A. Brasa, Mário V. Giordano, and Michele L. Pedrosa. “Anti-Hepatitis B Vaccination Among Health Professionals ”. Brazilian Journal of Sexually Transmitted Diseases 15, no. 3 (April 25, 2003): 51–55. Accessed May 13, 2024. https://bjstd.org/revista/article/view/476.