L-TAPBmorphine-freehydromorphoneIntrathecal morphineU-TAPBSecond Affiliated Hospital of Wenzhou Medical UniversityWMUSecond Affiliated Hospital of WMU
…25. Participants will be randomised at a 1:1:1 ratio to receive L-TAPB, U-TAPB or TFPB postoperatively. Intrathecal morphine will not …