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Injecting subcutaneously through a needle too short for the client
Where serum B12 results are borderline or do not fit the clinical picture, further tests such as active B12 (holotranscobalamin), methylmalonic acid, or homocysteine may be helpful
In another study conducted on rats, the inferior vena cava vein was ligated, which commonly results in a disturbance of blood flow, vessel injury and formation of thrombus
You've had bypass surgery for weight loss, which removes part of your stomach
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