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Popova NK, Barykina NN, Alekhina TA, Naumenko KS, Kulikov AV.Popova NK, et al. Among authors: kulikov av.Ross Fiziol Zh Im I M Sechenova. 1999 Jun;85(6):857-64.Ross Fiziol Zh Im I M Sechenova. 1999.PMID: 10512006Russian.