. . . . . . . "LIDDI_resource:SID2149_SID1324_EID4966" . "DDI between ketorolac and tramadol - Event - Arrhythmia."@en . . "DDI between ketorolac and tramadol - Event - Arrhythmia. [LIDDI_resource:SID2149_SID1324_EID4966]"@en . . "Extracted from public dataset"@en . . . "2016-04-06T15:03:10.337684"^^ . . . . "2016-04-06T15:03:10.337695"^^ . .