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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Barr, Douglas J.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 97
    Date: 1984
    Page Range: 160--166
    Publication Info: Washington Biological Society of Washington
  2. By: Barr, Douglas J. - Ohtsuka, S
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 102
    Date: 1989
    Page Range: 331--338
    Publication Info: Washington Biological Society of Washington