*[http://www.bitoheavencollies.com/GrayCollie.html|Grey Collie Syndrome] ''Information on Grey Collie Syndrome including new research into treating the condition and a clinical example''
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*[http://www.bitoheavencollies.com/GrayCollie.html| Grey Collie Syndrome] ''Information on Canine Cyclic Haematopoeisis (Grey Collie Syndrome) including new research into treating the condition and a clinical example''