. . . . . . . . . . . . "[Eighteen blood donors without any history of symptoms of porphyria or haematological disease had low PBGD activity (less than 2.20 U), and they were studied further.]. 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 . "2014-10-02T12:38:41+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .