1. Premedication with controlled-release oxycodone does not improve management of postoperative pain after day-case gynaecological laparoscopic surgery 
R. Jokela, J. Ahonen, M. Valjus, T. Seppälä, K. Korttila 
British Journal of Anaesthesia 
Volume 98, Issue 2, Pages (February 2007)
DOI: /bja/ael342
Copyright © 2007 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Plasma concentrations of oxycodone at the time of premedication, 2, 4, 6, and 8 h after premedication among 10 patients in the extension study group.
British Journal of Anaesthesia  , DOI: ( /bja/ael342)
Copyright © 2007 British Journal of Anaesthesia Terms and Conditions