Abstract
The addition of yeast extract and the use of shaking increase cell crop yield of group A streptococci grown in Todd-Hewitt broth 4 to 5 times that normally obtained.
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. 1969 Nov;18(5):954–955. doi: 10.1128/am.18.5.954-955.1969
Improved Growth Medium For Group A Streptococci
William F Vincent
1, Kathleen J Lisiewski
1
William F Vincent
1Laboratory Division, Connecticut State Department of Health, Hartford, Connecticut 06101
Find articles by William F Vincent
Kathleen J Lisiewski
1Laboratory Division, Connecticut State Department of Health, Hartford, Connecticut 06101
Find articles by Kathleen J Lisiewski
1Laboratory Division, Connecticut State Department of Health, Hartford, Connecticut 06101
PMCID: PMC378131 PMID: 5370467