. . . . . . . "LIDDI_resource:SID2910_SID0790_EID4970" . "DDI between sildenafil and memantine - Event - Bradycardia."@en . . "DDI between sildenafil and memantine - Event - Bradycardia. [LIDDI_resource:SID2910_SID0790_EID4970]"@en . . "Webcrawled and annotated using indicated method"@en . . . "2016-04-06T15:04:19.202905"^^ . . . . "2016-04-06T15:04:19.202916"^^ . .