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  1. By: Thatcher, Vernon E. (Vernon Everett),
    Type: Article
    In: Instituto Nacional de Pesquisas da Amazônia
    Date: 1999-12-01
    Publication Info: Instituto Nacional de Pesquisas da Amazônia
    Subjects: Amazonia  amphistome  Brazil  fish parasite  trematode  
  2. By: Thatcher, Vernon E. (Vernon Everett),
    Type: Article
    In: Instituto Nacional de Pesquisas da Amazônia
    Date: 1992-12-01
    Publication Info: Instituto Nacional de Pesquisas da Amazônia
    Subjects: Amazon  amphistome  fish parasite  trematode