Reference

Vitamin B12 Deficiency National Library of Medicine

Ankar A, Kumar A. Vitamin B12 Deficiency. [Updated 2024 Sep 10]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK441923/

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Updated 2026-01-30

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