https://www.cureus.com/articles/112515-hyperpigmentation-as-a-primary-symptom-of-vitamin-b12-deficiency-a-case-report
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9/10/22 at 5:41pm
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Cureus.com
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The presentation of vitamin B12 deficiency varies from being asymptomatic to affecting multiple organ systems. In addition, several systemic diseases can be associated with generalized weakness and hyperpigmentation. However, vitamin B12 deficiency rarely pre…
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