A polymorphism, R653Q, in the trifunctional enzyme methylenetetrahydrofolate dehydrogenase/methenyltetrahydrofolate cyclohydrolase/formyltetrahydrofolate synthetase is a maternal genetic risk factor for neural tube defects: report of the Birth Defects Research Group by Brody Lawrence C, Conley Mary, Cox Christopher, Kirke Peadar N, McKeever Mary P, Mills James L, Molloy Anne M, O'Leary Valerie B, Parle-McDermott Anne, Scott John M, Swanson Deborah A in American journal of human genetics (2002).

[PMID: 12384833] PubMed


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