title: Particulate and soluble antigens of Rickettsia tsutsugamushi in the complement fixation test.
mesh_terms: D000941:Antigens; D002499:Centrifugation, Density Gradient; D003168:Complement Fixation Tests; D006367:HeLa Cells; D012285:Orientia tsutsugamushi / Q000276:immunology*; D012995:Solubility; D014732:Vibration
chemical_list: D000941:Antigens