Khaladkar, S. M., S. S. Tomar, A. Alawadhi, and V. Sehrawat. “Bilateral Retrorenal Colon-a Case Report”. International Journal of Research in Medical Sciences, vol. 5, no. 3, Feb. 2017, pp. 1145-7, doi:10.18203/2320-6012.ijrms20170680.