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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Puls, R. - British Columbia. Veterinary Branch. - Canada. Agriculture Canada
    Publication info: Ottawa, Agriculture Canada, c1981
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
    Subjects: Canada  Minerals in animal nutrition  Trace elements in animal nutrition  Veterinary toxicology