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The Microbiological Assay of 'Vitamin B12' in the Milk of Different Animal Species* | British Journal of Nutrition | Cambridge Core
The assay of vitamin B12. Part VI. Microbiological estimation with a mutant of Escherichia coli by the plate method - Analyst (RSC Publishing)
The assay of vitamin B12. Part IV. The microbiological estimation with Lactobacillus leichmannii 313 by the turbidimetric procedure - Analyst (RSC Publishing)
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Figure 3 from Microbiological assay for vitamin B12 with use of a colistin-sulfate-resistant organism. | Semantic Scholar
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