title: Reply: A network meta-analysis of the efficacy of opioid analgesics for the management of breakthrough cancer pain episodes.
authors.affiliation: Groningen, The Netherlands. Electronic address: pmeijler@gmail.com.
authors.forename: Willem J
authors.initials: WJ
authors.lastname: Meijler
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D059390:Breakthrough Pain / Q000188:drug therapy* / Q000503:physiopathology*; D006801:Humans; D009369:Neoplasms / Q000503:physiopathology*
chemical_list: D000701:Analgesics, Opioid