. . . . . . . "[The DHFR 19-base pair deletion allele may be a risk factor for preterm delivery. In the presence of low dietary folate, the allele may also be a risk factor for low birth weight. This may be a gene-environment interaction.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-21"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:12:01+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .