. . . . . . . . . . . . "[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 . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:51:39+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .