Streptococcal infection in young pigs. I. An immunochemical study of the causative agent (PM streptococcus).
D000818:Animals; D000831:Animals, Newborn; D000941:Antigens; D007120:Immunochemistry; D066298:In Vitro Techniques; D013290:Streptococcal Infections / Q000662:veterinary*; D013291:Streptococcus; D013552:Swine; D013553:Swine Diseases
D000941:Antigens