Thermolabile variant of 5,10-methylenetetrahydrofolate reductase associated with low red-cell folates: implications for folate intake recommendations - Molloy, AM; Daly, S; Mills, JL; Kirke, PN; Whitehead, AS; Ramsbottom, D; Conley, MR; Weir, DG; Scott, JM (Lancet, 1997)
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