Authors:
van den Berg, AA
Halliday, E
Lule, EK
Baloch, MS
Citation: Aa. Van Den Berg et al., The effects of tramadol on postoperative nausea, vomiting and headache after ENT surgery. A placebo-controlled comparison with equipotent doses of nalbuphine and pethidine, ACT ANAE SC, 43(1), 1999, pp. 28-33