Contents 6 7 This dissertation is based on the following original publications, which will be referred to in the text by their Roman numerals I-V. Comparison of analgesic efficacy of oxycodone and morphine in postoperative intravenous patient-controlled analgesia. Efficacy and side effects of tramadol versus oxycodone for patient-controlled analgesia after maxillofacial surgery. Comparison of i...
