Kostenko, V G [Experience in lowering the occurrence of angina in the Poltava region]. [electronic resource] - Zhurnal ushnykh, nosovykh i gorlovykh boleznei = The journal of otology, rhinology, and laryngologie [sic] - 106-7 p. digital Publication Type: Journal Article ISSN: 0044-4650 Subjects--Topical Terms: HumansPharyngitis--prevention & controlUkraine