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  1. 21
  2. 22

    Guide for the reporte on the Aedes aegypti eradication campaigon in the Americas /

    Published 1971
    Book
  3. 23

    Research in progress : 1980-1981 /

    Published 1982
    Book
  4. 24

    Research in progress : 1982-1983 /

    Published 1984
    Book
  5. 25

    International symposium on health aspects of the international movement of animals /

    Published 1969
    Conference Proceeding Book
  6. 26

    The national food and nutrition survey of Guyana /

    Published 1976
    Book
  7. 27

    Leprosy : cultivation of the etiologic agent inmunology animal models /

    Published 1977
    Book