The elected questions of condition of cellular factors of resistance during tick-borne mixed-infections - N. P. Pirogova; M. R. Karpova; V. V. Novitsky; A. P. Zima; O. V. Voronkova; L. V. Loukashova; Ye. N. Kologrivova (Бюллетень сибирской медицины, 2006)