| [borrelia species new to russia--possible causative agents of ixodid tick-borne borreliosis]. | 18 borrelia isolates, obtained in 1996-1997 from adult ixodes ricinus collected from plants in the environs of stavropol', were identified with the use of the polymerase chain reaction and the analysis of the polymorphism of the length of restriction fragments. among them, in addition to b. garinii and b. afzelii, widely spread in eurasia, 2 recently described species, b. valaisiana and b. lusitaniae, were found in russia for the first time. their possible spread and their importance in infectio ... | 1999 | 10356723 |