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However, in cases of severe nutrient malabsorption and pernicious anemia, injections are more efficient at correcting the deficiency

"Dietary source of vitamin B(12) intake and vitamin B(12) status in female elderly Koreans aged 85 and older living in rural area"

2025 Aug;158(4):310-321

DOI: Published online: July 3, 2024 1 Department of Surgery, Yonsei University College of Medicine, Seoul, Korea 2 Department of Surgery, Ajou University School of Medicine, Suwon, Korea Correspondence: Hyoung Il Kim, Department of Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea Tel: 82-2-2228-2100 Fax: 82-2-313-8289 E-mail: [email protected] Received: March 29, 2024 Accepted: July 2, 2024 Copyright 2025 by the Korean Cancer Association This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited

This compound is handled in controlled settings for in vitro and pre-clinical studies, with no applications in human or veterinary medicine