For citations:
Ivashkin V.T., Sheptulin A.A., Lapina T.L., Kartavenko I.M., Kiprianis V.A., Okhlobystina O.Z., Novozhilov N.V. Guidelines of the Russian gastroenterological association on diagnostics and treatment of functional dyspepsia. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2012;22(3):80-92. (In Russ.)