For citations:
Malyutina N.N., Kurnikova I.A., Akhmadullina G.I. Problems of diagnostics of functional disorders of the gastrointestinal system in comorbid patients. Experimental and Clinical Gastroenterology. 2020;(8):19-26. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-180-8-19-26