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Who may need lifelong B12 injections
Address any underlying conditions that may affect your nutrient absorption
Serum cobalamin, homocysteine, and methylmalonic acid concentrations in a multiethnic elderly population: ethnic and sex differences in cobalamin and metabolite abnormalities
Monitoring Protocol: Although the trials showed no concerning laboratory changes, prudent clinical practice suggests baseline and periodic monitoring of metabolic parameters, complete blood counts, liver function, and kidney function
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