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  1. Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons /
    By: Hughes, Christine E.,
    Publication info: 1991.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Behavior  Cocaine  Dissertations, Academic  Food supply  Pigeons  Psychology  Psychology thesis Ph. D  Reinforcement (Psychology)  UF  
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