Comparison of preemptive paracetamol, paracetamol-diclofenac & paracetamol-tramadol combination on postoperative pain after elective abdominal surgery under general anesthesia, Ethiopia: a randomized control trial study, 2018.
Zemedu AwekeFetene SeyoumTewoderos ShitemawDerartu Neme DobaPublished in: BMC anesthesiology (2020)
The study was retrospectively registered on 07 July 2019 at Pan African Clinical Trial Registry with the identification number of PACTR201908890749145 . It was accepted on 14 August 2019.