title: The gram-positive cocci: I. Streptococci.
mesh_terms: D006801:Humans; D013290:Streptococcal Infections / Q000276:immunology / Q000382:microbiology* / Q000503:physiopathology; D013291:Streptococcus / Q000145:classification* / Q000276:immunology; D013292:Streptococcus agalactiae / Q000145:classification / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000145:classification / Q000276:immunology; D013297:Streptococcus pyogenes / Q000145:classification / Q000276:immunology