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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Wilkinson, Roger - Dowell, Simon - Bo, Dai
    Type: Article
    In: The Avicultural magazine
    Volume: 111
    Issue: 4
    Date: 2005
    Page Range: 168--168
    Publication Info: Ascot, Berkshire, etc Avicultural Society, etc