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  • 1
    Descripción: ...% of human serums were positive. The serological reactivity on pigs was positive to bratislava (91...
  • 2
    Descripción: .... wolfii, 1% for L. grippotyphosa and 4% for L. pomona; no reactivity to other serovars was found...
  • 7
    Autores RONDÓN-BARRAGÁN, I.S, BRAGAGNINI DÍAZ, H.E
    Publicado 2006-09-01
    Descripción: ... of weak or clinically healthy but persistently infected calves. During gestation, the parasites reactivate...