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Vul'fson AN, Tikhonov RV, Pechenov SE, Klyushnichenko VE, Miroshnikov AI.Vul'fson AN, et al. Among authors: pechenov se.Bioorg Khim. 1997 Sep;23(9):721-6.Bioorg Khim. 1997.PMID: 9441594Russian.