For citations:
Petrov S.V., Uspenskiy Yu.P., Fominykh Yu.A., Shotik A.V., Lykova E.P., Kizimova O.A., Nadjafova K.N., Gulunov Z.Kh. Abdominal pain syndrome in comorbidity. Experimental and Clinical Gastroenterology. 2022;(2):169-176. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-198-2-169-176