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(PubMed) Chapman LE, Darling AL, Brown JE
Large-scale, well-designed trials with proper randomization and blinding are needed to determine whether high-dose oral supplementation is as effective as intramuscular injection for increasing vitamin B 12 status and alleviating clinical symptoms of vitamin B 12 deficiency
Al, obese Zucker rats were received a dose of 500 micrograms/kg of body weight over the course of 19 days
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