Some observations on the influence of the micro-environment on loss of M substance in strains of Streptococcus pyogenes.
D008837:Micrococcus; D009930:Organic Chemicals; D013211:Staphylococcus aureus; D013297:Streptococcus pyogenes
D009930:Organic Chemicals; C028349:substance M
MICROCOCCUS PYOGENES