1. Mental retardation, megaloblastic anemia, methylmalonic aciduria and abnormal homocysteine metabolism due to an error in B12 metabolism;Dillon;Clin Sci Mol Med,1974
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3. Inherited disorders of cobalamin transport and metabolism;Fenton,1995
4. Inherited disorders of cobalamin metabolism;Qureshi;Crit Rev Oncol Hematol,1994
5. Congenital methylmalonic aciduria-homocystinuria with megaloblastic anemia;Carmel;Blood,1980