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Clinical signs of B12 deficiency include nausea, vomiting, loss of appetite, poor absorption of food (malabsorption syndrome), constipation, gas, weight loss, fatigue, lethargy, abdominal pain, and diarrhea
LITFL [cite] Unusual Urine Clinical cases
Non medics arent going to be as well versed or trained in aseptic technique, which means using practices and procedures to prevent contamination from pathogens (bad stuff!)
How common is vitamin B-12 deficiency
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