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When the result conflicts with the exposure history, symptoms, and related markers, laboratory-medicine input can help clarify the interpretation
This is a very common misconception
Approximately 0.1% of this is lost per day by secretions into the gut, as not all these secretions are reabsorbed
This requires understanding the concentration-to-units conversion for your specific vial
Recent research confirms that there is a high B12 deficiency in vegetarians and vegans because the study reported that: Vegans who dont take supplements develop B12 deficiency more than all other types of vegetarians
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