Showing 1 - 2 results of 2 for search 'Retka, Robert L.', query time: 0.01s Narrow Search
  1. 1
    Cost accountability in drug abuse prevention.
    by Retka, Robert L.
    Published 1977
    Government Document Book
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  2. 2
    A method for estimating heroin use prevalence
    by Person, Philip Hilmer
    Published 1977
    Other Authors: “…Retka, Robert L.…”
    Book
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