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There is no recovering from a calculation error at this stage
But the therapeutic window narrows sharply the moment you add anything else affecting dopamine, norepinephrine, or serotonin
Starting with 10mg vials for the first 8 weeks and transitioning to 20mg or 30mg vials for the maintenance phase is the most cost-effective and practical approach for most research protocols
[124] Other causes of B 12 malabsorption include bariatric surgery, pancreatic insufficiency, obstructive jaundice, tropical sprue, celiac disease, inherited intrinsic factor deficiency, and radiation enteritis affecting the distal ileum
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