title: Immunological relationships of Streptococcus MG to group K streptococcus, strain K 4a.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D006801:Humans; D005779:Immunodiffusion; D011817:Rabbits; D012703:Serotyping; D013291:Streptococcus / Q000145:classification / Q000276:immunology* / Q000302:isolation & purification / Q000378:metabolism