Yaschyshyn, Z., L. Zaiats, O. Svystak, N. Vodoslavska, and Y. Fedorchenko. “Effect of Ligation of the Left Gastric Artery to Changes in the Structure of Muscle-Intestinal Nerve Plexus of the Esophagus”. Experimental and Clinical Medicine, Vol. 71, no. 2, Aug. 2020, pp. 242-5, https://ecm.knmu.edu.ua/article/view/703.