Spirin, D S [Epidemiology, diagnosis, clinical symptoms, and classification of malignant primary skull base tumors]. [electronic resource] - Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko - 106-113 p. digital Publication Type: Journal Article; Review ISSN: 0042-8817 Standard No.: 10.17116/neiro2016803106-113 doi Subjects--Topical Terms: HumansSkull Base Neoplasms--classification