. . . . . . . . . . . . "[Elevated maternal serum alpha-fetoprotein levels led to ultrasonography which demonstrated gastric dilatation, consistent with pyloric atresia, and echogenic particles in the amniotic fluid, the `snowflake sign,` previously described in two pregnancies of fetuses with disorders of skin sloughing.]. 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 . "2014-10-02T12:37:22+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .