Functional gastrointestinal disorders. Overlap syndrome Clinical guidelines of the Russian Scientific Medical Society of Internal Medicine and Gastroenterological Scientific Society of Russia

Л. Б. Лазебник, Е. В. Голованова, B. A. Volel, N. V. Korochanskaya, Е. А. Lyalyukova, М. В. Мокшина, С. Н. Мехтиев, О. А. Мехтиева, Z. V. Metsaeva, D. S. Petelin, В. И. Симаненков, С. И. Ситкин, Sergei V. Cheremushkin, М. В. Черногорова, А. И. Хавкин