The 39-year-old vegetarian woman with vitamin B12 deficiency (pernicious anaemia) who was taking monthly injections of 10mg cyanocobalamin, referred to allergy clinic, and commonly presented with itchy, exanthematous skin rashes about 30min after the tenth dose
When induced by proinflammatory cytokines, the enzyme IDO is activated, leading to the production of kynurenine [50]
evaluating at week 2 of a loading phase is premature
PMC10056213 Subcutaneous injection osmolality, pH, and volume effects on pain and absorption
It has the largest and most complex chemical structure of all the vitamins and biological cofactors, whose intricate structure was solved in 1956 by X-ray crystallography 2
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