Morphine versus Nalbuphine for Open Gynaecological Surgery: A Randomized Controlled Double Blinded Trial

<table>Visual analogue scale in the postoperative period in both groups. *Statistically significant difference between the groups. However, since the VAS was less than 4, patients did not require rescue analgesia.</table>

Pain Research and Treatment

fig2

Figure 2

Figure 2: Morphine versus Nalbuphine for Open Gynaecological Surgery: A Randomized Controlled Double Blinded Trial 