. . . . . . . . . . . . "[Combined screening for chromosome abnormalities in the first trimester of pregnancy is based on maternal age, nuchal translucency (NT) and biochemical markers (PAPP-A and free β-hCG).]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:36:31+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .