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so it should be addressed separately
25 Castelli MC, Friedman K, Sherry J et al (2011) Comparing the efficacy and tolerability of a new daily oral vitamin B12 formulation and intermittent intramuscular vitamin B12 in normalizing low cobalamin levels: a randomized, open-label, parallel-group study
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Calculation: The final mg/mL concentration depends on the amount of diluent added (e.g., adding 2mL of water results in a 2.5mg/mL concentration)
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