For citations:
Kaybysheva V.O., Kucheryavyy Yu.A., Trukhmanov A.S., Storonova O.A., Konkov M.Yu., Mayev I.V., Ivashkin V.T. Results of multicenter observation study on application of international questionnaire GerdQ for diagnostics of gastroesophageal reflux disease. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2013;23(5):15-23. (In Russ.)