Intradermic tuberculin tests of cattle naturally sensitive to johnin: reactions to simultaneous innoculations of two tuberculin concentrations.
D000818:Animals; D001665:Binding Sites; D002417:Cattle; D007271:Injections, Intradermal; D010283:Paratuberculosis / Q000175:diagnosis / Q000276:immunology; D014374:Tuberculin Test / Q000662:veterinary*