title: The relationship of M protein of group a streptococci to mouse virulence.
mesh_terms: D000818:Animals; D001426:Bacterial Proteins / Q000032:analysis*; D005260:Female; D006358:Hot Temperature; D005779:Immunodiffusion; D007928:Lethal Dose 50; D008297:Male; D051379:Mice; D012376:Rodent Diseases / Q000382:microbiology*; D013291:Streptococcus / Q000032:analysis / Q000472:pathogenicity*; D014357:Trypsin; D014774:Virulence
chemical_list: D001426:Bacterial Proteins; D014357:Trypsin