. . . . . . . "LIDDI_resource:SID1121_SID0535_EID4970" . "DDI between propranolol and fentanyl - Event - Bradycardia."@en . . "DDI between propranolol and fentanyl - Event - Bradycardia. [LIDDI_resource:SID1121_SID0535_EID4970]"@en . . "Built from FDA public reports using a similar approach than in indicated document"@en . . . "2016-04-06T15:03:36.866376"^^ . . . . "2016-04-06T15:03:36.866387"^^ . .