https://www.selleckchem.com/pr....oducts/sb-204990.htm
training videos to be used for educational purposes must be passed through a standardized evaluation filter. Currently, the lateral internal sphincterotomy is the treatment of choice for a chronic anal fissure (CAF). However, the length of the internal sphincter incision varies, due to lack of standardization. Insufficient length increases the risk of recurrence. To compare a new ultra-modified internal sphincterotomy (UMIS) to the closed lateral internal sphincterotomy (CLIS) for treating CAF, based on internal anal sphincter functio
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