title: A microagglutination technique for detection and measurement of rickettsial antibodies.
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D000906:Antibodies / Q000032:analysis*; D002417:Cattle; D003168:Complement Fixation Tests; D003381:Coxiella / Q000276:immunology*; D006168:Guinea Pigs; D006801:Humans; D008722:Methods; D008832:Microchemistry; D008892:Milk / Q000276:immunology; D011778:Q Fever / Q000276:immunology*; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology*
chemical_list: D000906:Antibodies