1. Endorectal ultrasound in rectal carcinoma–do the literature results really correspond to the realities of routine clinical care?;Marusch;Endoscopy,2011
2. Endorectal ultrasound does not reliably identify patients with uT3 rectal cancer who can avoid neoadjuvant chemoradiotherapy;Shapiro;Int J Colorectal Dis,2013
3. Guidelines 2000 for colon and rectal cancer surgery;Nelson;J Natl Cancer Inst,2001
4. Anatomy and embryology of the anus, rectum, and colon;Wexner,1998
5. Anorectal anatomy;Kaiser;Surg Clin North Am,2002