On the level of antidiphtherial immunnity in population of Tatarstan Republic - PDF (Russian)
© 1998 Shafeev M.S., Zorina L.M., Sadykova D.G., Yakupov I.F., Ibragimov A.K., Zabirov H.G., Vakhitov S.M., Ismagilova Z.M., Andreeva T.N., Iskhakova S.K., Lukatkov V.M., Galeev A.G.
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