. . . . . . . "LIDDI_resource:SID1324_SID0829_EID4966" . "DDI between tramadol and methotrexate - Event - Arrhythmia."@en . . "DDI between tramadol and methotrexate - Event - Arrhythmia. [LIDDI_resource:SID1324_SID0829_EID4966]"@en . . "Extracted from public dataset"@en . . . "2015-07-17T03:41:38.945021"^^ . . . . "2015-07-17T03:41:38.945032"^^ . .