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BMJ 385:q1019, q1262, Sands,T.,et al, 2024
Pernicious Anemia:Report of Pts Without the Expected Findings of Very Low Serum Cobalamine Levels, Anemia, & Macrocytosis
Arch Int Med 148:1712-1714, Carmel,R., 1988
A Synd of Methylmal Acid, Homocystinuria, Megaloblas. Anemia & Neurol Abnor. in a Vit B-12-def Breast-fed Infant of veget
NEJM 299:317, Higginbottom,M.C., 1978