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Gene expression of chemokines in the heart and skeletal muscle. Heart and skeletal muscle samples of uninfected or chagasic mice (33 days postinfection) were removed and analysed by qRT-PCR for the expression of SDF-1 and MCP 1, 2 and 3. Data represent the mean ± SEM of 5–8 mice per group. *P < 0.05; **P < 0.01; ***P < 0.001.
