. . . . . . . . . . . . "[TPMT genotype (PCR assay), azathioprine metabolite levels (HPLC analysis) and xanthine oxidase (XO) activity were determined once in 71 randomly selected Crohn patients on an unaltered Aza dose for at least 3 months.]. 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 . "2014-10-02T12:41:19+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .