RT Journal Article SR Electronic T1 Combination of ibuprofen and acetaminophen is no different than low-dose opioid analgesic preparations in relieving short-term acute extremity pain JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP bmjebm-2018-110912 DO 10.1136/bmjebm-2018-110912 A1 Francesca L Beaudoin YR 2018 UL http://ebm.bmj.com/content/early/2018/04/26/bmjebm-2018-110912.abstract AB