. . . . . . . . . . . . "[No mutation(s) in the ferrochelatase gene or elsewhere in the genome, or environmental factors have been conclusively associated with the development of protoporphyric hepatic failure.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2015-02-27"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2015-08-25T14:41:31+02:00"^^ . . . . . . . . . . . "v3.0.0.0" . "v3.0.0" .