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Beliakov VA, Sinitsyn LN, Nazarov DA, Prokopenko VE, Smirnov AV.Beliakov VA, et al. Among authors: nazarov da.Vestn Khir Im I I Grek. 1976 Nov;117(11):106-9.Vestn Khir Im I I Grek. 1976.PMID: 13530Russian.
Nazarov DA, Beliakov VA, Litmanovich GL, Orlov NA.Nazarov DA, et al.Stomatologiia (Mosk). 1971 Nov-Dec;50(6):23-6.Stomatologiia (Mosk). 1971.PMID: 5288942Russian.No abstract available.