title: Content development for EUROPEAN GUIDELINES on the use of opioids for cancer pain: a systematic review and Expert Consensus Study.
authors.affiliation: Palliative Care, Pain Therapy and Rehabilitation Department, IRCCS Foundation National Cancer Institute, Milan, Italy. augusto.caraceni@istitutotumori.mi.it
authors.forename: A
authors.initials: A
authors.lastname: Pigni
authors.forename: C
authors.initials: C
authors.lastname: Brunelli
authors.forename: J
authors.initials: J
authors.lastname: Gibbins
authors.forename: G
authors.initials: G
authors.lastname: Hanks
authors.forename: F
authors.initials: F
authors.lastname: Deconno
authors.forename: S
authors.initials: S
authors.lastname: Kaasa
authors.forename: P
authors.initials: P
authors.lastname: Klepstad
authors.forename: L
authors.initials: L
authors.lastname: Radbruch
authors.forename: A
authors.initials: A
authors.lastname: Caraceni