Tuesday, January 22, 2013
This photo provided by Colorado State University shows Louie the golden retriever taking a rest after a swim. When Jay Mesinger heard about a dog cancer study seeking purebred golden retriever puppies to track their health for life, he immediately signed up 2-year-old Louie. He and his wife know firsthand the toll that canine cancer can take: Louie is their fourth golden retriever.
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