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Demchenko IuN, Zenkova MA, Vlasov VV.Demchenko IuN, et al. Among authors: zenkova ma.Izv Akad Nauk Ser Biol. 2005 Mar-Apr;(2):133-40.Izv Akad Nauk Ser Biol. 2005.PMID: 16004273Russian.