. . . . . . . "[Genetic variation in the COMT gene has been implicated in variable response to various experimental painful stimuli, variable susceptibility to develop common pain conditions, as well as the variable need for opioids in the treatment of cancer pain.]. 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 . "2017-10-17T13:11:41+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .