Margaret Pittman, Sara E Branham, and E M Sockrider showed type specificity of meningococcus by use of the Petrie's precipitin test

Margaret Pittman, Sara E Branham, and E M Sockrider showed type specificity of meningococcus by use of the Petrie’s precipitin test

In 1937, Margaret Pittman, Sara E. Branham, and E. M. Sockrider showed the type specificity of meningococcus by use of the Petrie’s precipitin test.

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Source: National Institutes of Health
Credit: PDF: A Life with Biological Products, Margaret Pittman, 1990.