For citations:
Ivanova Ye.V., Fedorov Ye.D., Yudin O.I., Timofeyev M.Ye., Chernyakevich P.L., Kuznetsov D.A. Role of enteroscopy in diagnostics of tumors and preneoplastic diseases of the small intestine. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2011;21(4):66-74. (In Russ.)