title: Some manifestations of a relationship between group A and L streptococci. Preliminary report.
mesh_terms: D000042:Absorption; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001414:Bacitracin / Q000494:pharmacology; D002241:Carbohydrates / Q000032:analysis; D003851:Deoxyribonucleases; D005779:Immunodiffusion; D012260:Ribonucleases; D013291:Streptococcus / Q000032:analysis / Q000145:classification* / Q000187:drug effects / Q000276:immunology; D014357:Trypsin
chemical_list: D000941:Antigens; D002241:Carbohydrates; D001414:Bacitracin; D003851:Deoxyribonucleases; D012260:Ribonucleases; D014357:Trypsin