Sabino, Ester Cerqueira, Elvira Maria Guerra, Isabel Takano Oba, Angela Maria Miranda Spina, and Adelaide José Vaz. “ Frequency of Hepatitis B Serological Markers in First Consultation Pregnant Women at Health Centers in a Metropolitan Area, S. Paulo City, Brazil ”. Revista do Instituto de Medicina Tropical de São Paulo 34, no. 6 (December 1, 1992): 535–541. Accessed March 18, 2025. https://revistas.usp.br/rimtsp/article/view/28978.