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3. A syndrome of methylmalonic aciduria, homocystinuria, megaloblastic anemia and neurologic abnormalities in a vitamin B12 deficient breast fed infant of a strict vegetarian;Higginbottom, M.C.; Sweetman, L.; Nyhan, W.L.;N Engl J Med,1978
4. Brain damage in infancy and dietary vitamin B12 deficiency;Wighton, M.C.; Manson, J.I.; Speed, I.; Robertson, E.; Chapman, E.;Med J Aust,1979
5. Megaloblastic anemia of infancy secondary to maternal pernicious anemia;Lampkin, B.C.; Shore, N.A.; Chadwick, D.;N Engl J Med,1966