Letters Vitamin B-12 deficiency Monitor for up to two years after symptoms resolve BMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c3319 (Published 22 June 2010) Cite this as: BMJ 2010;340:c3319 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Prostate cancer: Could polygenic risk scores make national screening a reality? BMJ April 15, 2025, 389 r763; DOI: https://doi.org/10.1136/bmj.r763 NICE recommends “targeted” drug capivasertib for advanced breast cancer BMJ April 14, 2025, 389 r762; DOI: https://doi.org/10.1136/bmj.r762 Cancer: People in UK’s poorest areas have longer waits for care and higher death rates BMJ February 21, 2025, 388 r367; DOI: https://doi.org/10.1136/bmj.r367 Hospitals are urged to learn from case of delayed cancer diagnosis after failure to follow up BMJ February 06, 2025, 388 r264; DOI: https://doi.org/10.1136/bmj.r264 Calcium rich diet could reduce bowel cancer risk, study finds BMJ January 08, 2025, 388 r42; DOI: https://doi.org/10.1136/bmj.r42 Cited by... Autoimmune pernicious anaemia as a cause of collapse, heart failure and marked panyctopaenia in a young patientAbstract Fulltext PDF