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Common working concentrations for cell culture research range from 10100 ng/mL in the final experimental volume, which means concentrated stock solutions are typically prepared at 1001,000 g/mL (0.11 mg/mL) and then diluted
Vials are supplied lyophilized at analytical purity for laboratory and research use only, not for human consumption
Persons with Crohn disease, particularly those who have had an ileal resection, are at increased risk of vitamin B12 deficiency (38)
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