Timoshev, N P [Instrument for taking material from the upper respiratory tract for cytologic examination]. [electronic resource] - Zhurnal ushnykh, nosovykh i gorlovykh boleznei = The journal of otology, rhinology, and laryngologie [sic] - 107-8 p. digital Publication Type: Journal Article ISSN: 0044-4650 Subjects--Topical Terms: Biopsy--instrumentationHumansRespiratory Tract Neoplasms--diagnosis