![](https://scx1.b-cdn.net/csz/news/tmb/2012/newprepforco.jpg)
New prep for colon screen uses four pills, not liquid laxative
(HealthDay)—Prepping for a "virtual colonoscopy" at the Mayo Clinic now only involves swallowing four cleansing tablets, rather than the large amounts of liquid laxative typically required, researchers report.
Aug 31, 2012
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