Pai, Vishwas D Laparoscopic Versus Open Approach for Intersphincteric Resection-Results from a Tertiary Cancer Center in India. [electronic resource] - Indian journal of surgical oncology Dec 2017 - 474-478 p. digital Publication Type: Journal Article ISSN: 0975-7651 Standard No.: 10.1007/s13193-017-0672-z doi