title: Studies on soluble complement fixing antigen of Rickettsia tsutsugamushi.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis / Q000276:immunology*; D003168:Complement Fixation Tests; D006801:Humans; D012285:Orientia tsutsugamushi / Q000276:immunology*; D012612:Scrub Typhus / Q000175:diagnosis
chemical_list: D000942:Antigens, Bacterial