Haidarzhi, Y. I., Holovko, M. H. and Okhrimenko, H. O. (2023) “Vasoactive intestinal polypeptide level in gastroesophageal reflux disease before and after surgical treatment”, Zaporozhye Medical Journal, 25(4), pp. 346–351. doi: 10.14739/2310-1210.2023.4.278576.