For citations:
Perfil’yev I.B., Delektorskaya V.V., Kuvshinov Yu.P., Poddubny B.K., Ungiadze G.V., Pirogov S.S., Malikhova O.A. State-of-the art of endoscopic semeiology of neuroendocrine tumors of the stomach. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2011;21(4):27-36. (In Russ.)