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Label the vial with the fill volume, resulting concentration and reconstitution date
Malabsorption Issues: Those with Crohns disease, Celiac, or those who have had gastric bypass surgery often cannot absorb B12 through the gut at all
That it was my fault
Back Marks, V (1960) 'Response to glucagon by subjects with hyperinsulinism from islet tumours', British Medical Journal , 1, 1539-41
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