title: The detection of antibodies to M. Johnei by immunofluorescence.
mesh_terms: D000818:Animals; D000906:Antibodies; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D010283:Paratuberculosis / Q000276:immunology*
chemical_list: D000906:Antibodies