Relative frequency and risk factors for long-term opioid therapy following surgery and trauma among adults: a systematic review protocol.
M Gabrielle PagéIrina KudrinaHervé Tchala Vignon ZomahounDaniela ZieglerPierre BeaulieuCéline CharbonneauJennifer CoganRaoul DaoustMarc O MartelAndrée NéronPhilippe RichebéHance ClarkePublished in: Systematic reviews (2018)
This protocol was registered in PROSPERO on March 2, 2018; registration number CRD42012018089907 .