Dr. Deise P. Falcão

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Yersinia enterocolitica of different serotypes andY. intermedia, Y. frederiksenii, andY. kristensenii, in a total of nine strains, were inoculated intragastrically and intravenously into Swiss mice. The animals were observed daily to check for clinical alterations. Groups of five were killed intermittently at 6-h, and 3-, 6-, 10-, 15-,and 21-day periods or(More)
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