. . . . . . . "LIDDI_resource:SID1397_SID2910_EID4966" . "DDI between warfarin and sildenafil - Event - Arrhythmia."@en . . "DDI between warfarin and sildenafil - Event - Arrhythmia. [LIDDI_resource:SID1397_SID2910_EID4966]"@en . . "Webcrawled and annotated using indicated method"@en . . . "2015-07-17T03:43:30.021926"^^ . . . . "2015-07-17T03:43:30.021939"^^ . .