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Its confidence interval spans zero and is wider than the point estimate, so it was too small to detect the difference it observed uninformative rather than null
Vitamin B12 plays a key role in converting food into energy
Oral versus intramuscular administration of vitamin B12 for vitamin B12 deficiency in primary care: a pragmatic, randomised, non-inferiority clinical trial (OB12)
Its vital to keep the right dosage to ensure people get enough Vitamin B12 for their health
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