. . . . . . . "LIDDI_resource:SID2504_SID2910_EID4964" . "DDI between topotecan and sildenafil - Event - Serotonin syndrome."@en . . "DDI between topotecan and sildenafil - Event - Serotonin syndrome. [LIDDI_resource:SID2504_SID2910_EID4964]"@en . . "Webcrawled and annotated using indicated method"@en . . . "2016-04-06T15:04:11.481864"^^ . . . . "2016-04-06T15:04:11.481875"^^ . .