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This study investigated the genetic characteristics of the Toxoplasma gondii strains isolated from 87 patients with cerebral toxoplasmosis and AIDS, treated in Sao Paulo State, Brazil. The laboratorial diagnosis of cerebral toxoplasmosis was based on positive serological exams and PCR of blood and/or cerebrospinal fluid. Four markers (5′-SAG2, 3′-SAG2, SAG3 and GRA6) were chosen to analyze the samples...
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