. . . . . . . "[The purpose of this study was to investigate the association between the severity of central type pruritus induced by epidural morphine for post-cesarean analgesia and the A118G polymorphism of the human I1/4-opioid receptor gene (OPRM1).]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-21"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:08+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .