title: Antibodies in infections caused by Rickettsia prowazeki.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D000917:Antibody Formation; D003168:Complement Fixation Tests; D006801:Humans; D012283:Rickettsia prowazekii / Q000276:immunology*; D012698:Serologic Tests; D014438:Typhus, Epidemic Louse-Borne / Q000175:diagnosis / Q000276:immunology*; D015022:Yugoslavia
chemical_list: D000906:Antibodies