The Institute of oncology of Vilnius University (director prof. N.E.Salamavicius) and R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, NAS of Ukraine, Kiev (director prof. Vasyl Chekhun) had signed the bilateral contract accord on cooperation in the field of science and technology in Vilnius with the Ambassador Extraordinary and Plenipotentiary of Ukraine to the Republic of Lithuania Valery Zhovtenko.