Obuobi, R.-B., Viswanath, Y., Sathasivam, R., Bussa, G., Gill, T., Reddy, A., Shanmugam, V., Gilliam, A. and Thambi, P. (2018) “Trans-oral incisionless fundoplication vs stretta, two recognized endoluminal anti-reflux therapies; a systematic review and meta-analysis”, International Surgery Journal, 5(3), pp. 765–772. doi: 10.18203/2349-2902.isj20180795.