title: [Difficulties in clinical diagnosis and importance of immunological methods in the diagnosis of Brill's disease].
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008875:Middle Aged; D014438:Typhus, Epidemic Louse-Borne / Q000175:diagnosis* / Q000276:immunology
vernacular_title: Trudnosti klinicheskogo raspoznavaniia bolenzni Brillia i znachenie immunologicheskikh metodov v ee diagnostike.