Narayanan, Aravindan, Shalini Sundararaman, Lakshminarayanan Varadhan, Nick Reay-Jones, and Vivek Gupta V. 2016. “The Value of Flexible Sigmoidoscopy in the Evaluation of Rectal Bleeding in the Young”. International Surgery Journal 2 (2):214-17. https://www.ijsurgery.com/index.php/isj/article/view/548.