. . . . . . . . . . . . "[Genetic polymorphisms of GSTM1 and GSTT1 genes in 50 COPD patients and 50 healthy controls were investigated using multiplex polymerase chain reaction-restriction fragment length polymorphism techniques to determine whether polymorphisms of these genes are linked to genetic susceptibility to COPD.]. 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 . "2014-10-02T12:35:31+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .