I did a search in Ovid's Medline that yielded 39 review articles. First, I searched for "Colonic Neoplasms" and chose "Focus". On the next screen, I selected "etiology" and then continued on to the main search page. Then I searched for "Colitis, Ulcerative" and checked off the "Focus" box and continued on the main search page. I then combined the first 2 searches using "AND". That yielded 185 articles about the etiology of colonic neoplasms in patients with ulcerative colitis. Then, I scrolled down the page to the "Limits" section. Within that section is a list of "Publication Types". From that list I chose "Review" and then clicked the "Search" button. That yielded the 39 review articles on the topic.
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