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However, clinical realities are rarely perfectly uniform

It contributes to the production and activity of white blood cells, which are essential for defending the body against infections and diseases

No trial reported on clinical signs and symptoms of vitamin B 12 deficiency, health-related quality of life, or acceptability of the treatment scheme Orally taken vitamin B 12 showed lower treatment-associated costs than intramuscular vitamin B 12 in one trial

In 67% of the studies (n = 8), the adequacy of follow-up of cohorts was not described

The possibility of vitamin B(12) deficiency in addition to other micronutrient deficiencies should be considered in obese children

Laboratory studies examine receptor activation, cyclic adenosine monophosphate (cAMP) signaling, kinase activation, intracellular trafficking, second messenger communication, transcriptional regulation, peptide metabolism, and molecular adaptation following peptide-receptor interaction