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Cumulative mortality of mice infected with different strains of T. asahii, T. asteroides and the single one of T. inkin. Mice infected with T. inkin received an additional dose of 5-fluorouracil on day 5 after infection. The mean survival time was estimated by the Kaplan-Meier method and compared among groups using the log-rank test (a, P > 0.05, andb, P < 0.05).
