Haidarzhi, Ye. I., M. H. Holovko, and H. O. Okhrimenko. 2023. “Vasoactive Intestinal Polypeptide Level in Gastroesophageal Reflux Disease before and After Surgical Treatment”. Zaporozhye Medical Journal 25 (4):346-51. https://doi.org/10.14739/2310-1210.2023.4.278576.