Yassen, A., Sayed, G. (2012). Low dose ketorolac infusion improves postoperative analgesia combined with patient controlled fentanyl analgesia after living donor hepatectomy – Randomized controlled trial. test, 28(3), 199-204. doi: 10.1016/j.egja.2012.02.010
Amr M. Yassen; Gamal El Sayed. "Low dose ketorolac infusion improves postoperative analgesia combined with patient controlled fentanyl analgesia after living donor hepatectomy – Randomized controlled trial". test, 28, 3, 2012, 199-204. doi: 10.1016/j.egja.2012.02.010
Yassen, A., Sayed, G. (2012). 'Low dose ketorolac infusion improves postoperative analgesia combined with patient controlled fentanyl analgesia after living donor hepatectomy – Randomized controlled trial', test, 28(3), pp. 199-204. doi: 10.1016/j.egja.2012.02.010
Yassen, A., Sayed, G. Low dose ketorolac infusion improves postoperative analgesia combined with patient controlled fentanyl analgesia after living donor hepatectomy – Randomized controlled trial. test, 2012; 28(3): 199-204. doi: 10.1016/j.egja.2012.02.010