Rolla E Dyer defined the unit for scarlet fever streptococcus antitoxin - LifeScienceHistory.com

Rolla E Dyer defined the unit for scarlet fever streptococcus antitoxin

Life Science History, NIH

In 1925, Rolla E. Dyer, a senior scientist at NIH, defined the unit for scarlet fever streptococcus antitoxin.

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Source: National Institutes of Health
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