Guimarães A, Kawarabayashi M, Borges M, Tolezano J, Andrade Jr. H. Regional variation in toxoplasmosis seronegativity in the São Paulo metropolitan region . Rev. Inst. Med. Trop. São Paulo. 1993;35(6):479-483. Accessed July 17, 2024. https://revistas.usp.br/rimtsp/article/view/29092