Experimental streptococcal mastitis.  XI.  Immunological studies in the cow.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D005260:Female; D008413:Mastitis; D013290:Streptococcal Infections / Q000276:immunology*
CATTLE/diseases; MASTITIS; STREPTOCOCCAL INFECTIONS/immunology