Dr. John Nathanson | Source | Gastroenterologist and Assistant Professor of Medicine at Columbia University...

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Dr. John Nathanson

Gastroenterologist and Assistant Professor of Medicine at Columbia University Irving Medical Center
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  • Columbia Expert Discusses Blood Tests for Colon Cancer Screening
    Dr. Nathanson is available to discuss the role of blood tests in colon cancer detection. As an Assistant Professor at Columbia University, he provides expert insights into the latest advancements in screening methods.