The incidence of colorectal cancer among patients who underwent flexible sigmoidoscopy was reduced by 21% - http://bit.ly/K5jwlW
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
The incidence of colorectal cancer among patients who underwent flexible sigmoidoscopy was reduced by 21% - http://bit.ly/K5jwlW