Vitamin B12 Deficiency:NICE Guideline Summary
BMJ 385:q1019, q1262, Sands,T.,et al, 2024
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JAMA 320:197-198, DeFilippis, E.M.,et al, 2018
Megaloblastic Anemia After Anticonvulsive Therapy
Corres, NEJM 287:9901972., , 1972