Carrilho, Flair José, et al. “ Active Immunization Against Hepatitis B Virus (HBV) With Low-Doses of Plasma-Derived Vaccine by Intradermal Route: Anti-HBs Response After Therr Years of Follow-up ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 33, nº 2, abril de 1991, p. 167-, https://revistas.usp.br/rimtsp/article/view/28810.