CONJUGATES OF PHOSPHORYLATED ZALCITABINE AND LAMIVUDINE WITH SIO2 NANOPARTICLES: SYNTHESIS BY CUAAC CLICK CHEMISTRY AND PRELIMINARY ASSESSMENT OF ANTI-HIV AND ANTIPROLIFERATIVE ACTIVITY Article Vasilyeva S.V., Shtil A.A., Petrova A.S., Balakhnin S.M., Achigecheva P.Y., Stetsenko D.A., Silnikov V.N. Bioorganic and Medicinal Chemistry. Vol. Vol 25. 2017.