title: [Contribution of all-USSR (Russian) Center of Rickettsioses and Collaboration Centre of WHO to the study of rickettsioses of tick-borne spotted fever group].
abstract: The manuscript presents the results of studies of rickettsioses of spotted fever group in the territories of USSR (Russia) and ChSSR (Slovakia). Authors review data about isolation of strains of rickettsiae of spotted fever group, improvement of isolation techniques, diagnostics and diagnostic preparations.
authors.forename: V A
authors.initials: VA
authors.lastname: Makarova