For citations:

Sapozhnikova T.V., Sapozhnikov K.V., Parfenov S.A., Elkin A.A., Rizakhanov D.M., Rizakhanov O.A. Vegetative and mental status of patients with functional gastrointestinal diseases. Experimental and Clinical Gastroenterology. 2022;(2):159-168. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-198-2-159-168