Klimenko, V. N., A. M. Kiosov, V. V. Izbitskiy, and S. N. Gulevskiy. “Combined Endoscopic Approaches to the Cardiac Sphincter Achalasia Treatment”. Zaporozhye Medical Journal 17, no. 6 (December 29, 2015). Accessed September 27, 2024. http://zmj.zsmu.edu.ua/article/view/56283.