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IP address: 3.236.19.251
Time: 2024-03-28T14:18:28Z
URL: http://scholar.google.com/scholar_lookup?title=Current+knowledge+of+type-specific+M+antigens+of+group+A+streptococci&year=1962&author=Lancefield&journal=J+Immunol&volume=89&issue=3&pages=307-313&pmid=14461914