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. 1970 Jun;61(3):343-53.
doi: 10.1099/00221287-61-3-343.

The production of opacity in serum by group A streptococci and its relationship withthe presence of M antigen

The production of opacity in serum by group A streptococci and its relationship withthe presence of M antigen

J P Widdowson et al. J Gen Microbiol. 1970 Jun.
No abstract available

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