. . . . . . . "LIDDI_resource:SID0535_SID0397_EID4964" . "DDI between fentanyl and dextromethorphan - Event - Serotonin syndrome."@en . . "DDI between fentanyl and dextromethorphan - Event - Serotonin syndrome. [LIDDI_resource:SID0535_SID0397_EID4964]"@en . . "Webcrawled and annotated using indicated method"@en . . . "2016-04-06T15:04:31.254704"^^ . . . . "2016-04-06T15:04:31.254715"^^ . .