TRANSNASAL ENDOSCOPIC TREATMENT OF SPONTANEOUS CEREBROSPINAL FLUID FISTULAS OF THE ANTERIOR AND CENTRAL SKULL BASE ASSOCIATED WITH MENINGOENCEPHALOCELE IN ADULT PATIENTS ArticleKutin M.A., Kalinin P.L., Fomichev D.V., Sharipov O.I., Shkarubo A.N., Chmutin G.E., Andreyev D.N., Chmutin E.G., Mikhaylov N.I., Abdilatipov A.A., Chernov I.V., Koval K.V.Вестник неврологии, психиатрии и нейрохирургии. 2018. P.. 72-75