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"It's not painful or embarrassing," – Len Lichtenfeld, MD
http://www.cancer.org/docroot/SPC/content/SPC_1_Colonoscopy_and_Sigmoidoscopy_FAQ.asp
Flexible sigmoidoscopy is an important screening procedure because of its ability to detect early changes in the distal colon.
http://www.aafp.org/afp/990115ap/313.html
A a community-based pilot project.
http://www.mja.com.au/public/issues/jul15/olynyk/olynyk.html