For citations:
Gaus O.V., Livzan M.A., Turchaninov D.V., Ivanova T.I., Popello D.V. Abdominal Pain in Young Adults. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2021;31(3):26-35. (In Russ.) https://doi.org/10.22416/1382-4376-2021-31-3-26-35