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Comparative studies of GH fragments versus intact GH on metabolic readouts
For patients with pernicious anemia, lifelong intramuscular B12 injections are the established standard of care
The sixth coordination site, the reactive center, is variable, being a cyano group (CN), a hydroxyl group (OH), a methyl group (CH 3 ) or a 5-deoxyadenosyl group
A check for IF antibodies, homocysteine and MMA in the urine can thus indicate whether the high values of B12 have been mistakenly produced
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