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thyroid C-cell tumors observed in rodent studies (relevance to humans uncertain) [4]
(1998) Randomized trial of the effect of supplementation on the cognitive function of older people with subnormal cobalamin levels
Proper aseptic handling minimizes the risk of introducing foreign microorganisms, which could invalidate experimental results or compromise the stability of sensitive research materials
Continuous dosing past 3 months flattens response
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