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Isolation
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Feces from diphtheria convalescent
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References
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Norimota Y, et al. Enzymatic hydrolysis of ribonucleic acid. US Patent 3,920,519 dated Nov 18 1975
Tompkins GR, et al. Detection and comparison of specific hemin binding by Porphyromonas gingivalis and Prevotella intermedia. J. Bacteriol. 179: 620-626, 1997. PubMed: 9006012
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