Epidermal growth factor (EGF) conjugate with doxorubicine (DR) produces toxic effect on antibiotic resistant tumor cell cultures: S.V.Lutsenko3, N.D.Feldman1, N.V.Gukasova1, I.E.Zykova1, G.A. Posypanova3, N.N.Belushkina2, S.G.Gumanov3, K.G.Skryabin3, S.E.Severin1, E.S.Severin4 1 Moscow Research Institute of Medical Ecology; 2 “Center of Molecular Medicine and Biotechnology” of I.M. Sechenov Moscow Medical Academy; 3 Center “Bioengineering”, RAS; 4 Russian Research Center for Molecular Diagnostics and Therapy, Moscow