title: Studies on antigenic characteristics of Rickettsia tsutsugamushi isolated in the U.S.S.R.
mesh_terms: D000818:Animals; D000941:Antigens; D001769:Blood / Q000382:microbiology; D003168:Complement Fixation Tests; D005455:Fluorescent Antibody Technique; D006801:Humans; D008925:Mites; D009500:Neutralization Tests; D012285:Orientia tsutsugamushi / Q000276:immunology* / Q000302:isolation & purification; D014586:USSR
chemical_list: D000941:Antigens