Linhares, A. C., and Wyller A. Mello. “ The Prevalence of HIV-Antibody in a Gold Mining Camp in the Amazon Region As a Guide to the Date of Entry of AIDS into Brazil: The Future Importance of Such Communities As ‘distribution Centres’ ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 31, no. 1, Feb. 1989, pp. 59-59, https://www.revistas.usp.br/rimtsp/article/view/28638.