Hyperpigmentation as a Primary Symptom of Vitamin B12 Deficiency: A Case Report

Anzal Jangda; Diana Voloshyna; Krishna Ramesh; Anan Bseiso; Tanveer Ahamad Shaik; Saman Al Barznji; Muhammad Usama; Faraz Saleem; Muhammad Abu Zar Ghaffari; Anzal Jangda; Diana Voloshyna; Krishna Ramesh; Anan Bseiso; Tanveer Ahmad Shaik; Saman  Al Barznji; Muhammad Usama; Faraz Saleem; Muhammad Abu Zar Ghaffari

doi:10.7759/cureus.29008

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