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Gerasimova EN, Levachev MM, Ozerova IN, Polesskiĭ VA, Shcherbakova IA, Metel'skaia VA, Kulakova SN, Astakhova TI, Nikitin IuP, Perova NV.Gerasimova EN, et al. Among authors: perova nv.Vopr Med Khim. 1989 Sep-Oct;35(5):7-11.Vopr Med Khim. 1989.PMID: 2617942Russian.
Perova NV, Metel'skaia VA, Ozerova IN, Gadzhalova SI, Chernysheva NP.Perova NV, et al.Vopr Med Khim. 1980 Sep-Oct;26(5):688-94.Vopr Med Khim. 1980.PMID: 7423887Russian.