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Your baseline B12 level, sleep quality, and overall nutrition influence timing
Morrison, K
Vitamin B12 Deficiency The prevalence of vitamin B12 deficiency among elderly Americans is thought to be about 20%
The vial should be stored in a cool dark area, not in direct sunlight
Patients with pernicious anaemia have a slightly increased gastric cancer risk and may require baseline endoscopy if aged 50 or over
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