Cite
MLA Citation
Zhen Ding et al.. “Efficacy and tolerability of oxycodone versus fentanyl for intravenous patient-controlled analgesia after gastrointestinal laparotomy.” Medicine, vol. 95, no. 39, 2016, pp. e4943–. http://access.bl.uk/ark:/81055/vdc_100036529918.0x000044