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  • 万花筒 2009-02-08&02-09 狗狗嗅出糖尿病

    Coby, the lab, nudges and pushes and bugs Bill Palmer until he gets his attention. That's how he warns that his blood sugar is dangerously low. He is able to smell when my blood sugar is low. And what we are training him with here is a sock that I wo...

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