. . . . . . . "LIDDI_resource:SID0829_SID2910_EID4970" . "DDI between methotrexate and sildenafil - Event - Bradycardia."@en . . "DDI between methotrexate and sildenafil - Event - Bradycardia. [LIDDI_resource:SID0829_SID2910_EID4970]"@en . . "Extracted from public dataset"@en . . . "2015-07-17T03:41:55.006361"^^ . . . . "2015-07-17T03:41:55.006372"^^ . .