Ivan Radchenko

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A national program of universal vaccination for the prevention of chronic hepatitis B virus (HBV) infection was launched in Uzbekistan since 1998. To evaluate the 6 years' outcome of the program, 567 children were enrolled in the study. Among those enrolled, 333 had immunized with adw2 type based Engerix-B (Glaxo Smith Kline Beechem, Rixensart, Belgium) and(More)
The pure Ca<sub>3</sub>Y<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> single crystals were grown by the Czochralski method using an inert and oxygen containing atmospheres and characterized by means of powder X-ray diffraction, optical spectroscopy. The microhardness H<sub>v</sub> and fracture toughness K<sub>1c</sub> of single crystals were studied too. The(More)
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