Human methionine synthase: cDNA cloning and identification of mutations in patients of the cblG complementation group of folate/cobalamin disorders - Leclerc, D; Campeau, E; Goyette, P; Adjalla, CE; Christensen, B; Ross, M; Eydoux, P; Rosenblatt, DS; Rozen, R; Gravel, RA (Hum Mol Genet, 1996)