[On the clinical classifications of chronic gastritis and functional stomach disorders].
D002908:Chronic Disease; D005756:Gastritis / Q000145:classification*; D006801:Humans; D013272:Stomach Diseases / Q000145:classification*
O klinichekskikh klassifikatsiiakh khronicheskogo gastrita funksional'nykh rasstroĭstv zheludka.