title: [Retrospective epidemiological survey on cancer pain: use of physician's records or nursing records?].
authors.forename: W Z
authors.initials: WZ
authors.lastname: Sun
authors.forename: S M
authors.initials: SM
authors.lastname: Woo
mesh_terms: D006801:Humans; D008499:Medical Records; D009369:Neoplasms / Q000503:physiopathology*; D009737:Nursing Records; D010146:Pain / Q000453:epidemiology*; D010820:Physicians; D012189:Retrospective Studies