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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hill, Brian A. G.
    Type: Article
    In: The Avicultural magazine
    Volume: 111
    Issue: 1
    Date: 2005
    Page Range: 6--14
    Publication Info: Ascot, Berkshire, etc Avicultural Society, etc
  2. By: Hill, Brian A. G.
    Type: Article
    In: The Avicultural magazine
    Volume: 113
    Issue: 2
    Date: 2007
    Page Range: 49--52
    Publication Info: Ascot, Berkshire, etc Avicultural Society, etc