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Higher concentrations (20mg/ml) appear deeper blue than lower concentrations (5mg/ml)
Vitamin B-12 injections are more commonly used in elders and in patients suffering from anemia since their bodies cannot absorb and retain the vitamins
VIP is an endogenous 28-amino-acid neuropeptide of the glucagon/secretin superfamily
Vitamin B12 deficiency can potentially cause severe and irreversible damage, especially to the brain and nervous system
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