. . . . . . . "[These results suggest that there may be carcinogenic intermediates in cigarette smoke that are substrates for both the GSTT1 and GSTM1 enzymes, and that lung cancer risk is increased more than additively for individuals who have both GSTT1 and GSTM1 null polymorphisms.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:13:08+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .