Levy CE, Costa JC da, Fiorillo AM. Counterimmunoelectrophoresis and passive hemagglutination in tre diagnosis of meningocoecal meningitis. Rev. Inst. Med. Trop. São Paulo. 1981;23(6):256-259. Accessed June 22, 2024. https://revistas.usp.br/rimtsp/article/view/197239