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www.fdanews.com/articles/133905-cancer-smelling-dog-could-lead-to-less-invasive-tests-for-colorectal-tumors

Cancer-Smelling Dog Could Lead to Less Invasive Tests for Colorectal Tumors

February 1, 2011
A dog trained to sniff out colorectal cancer was almost as accurate as a colonoscopy in a study that suggests less invasive tests for the disease may be developed.
Bloomberg