title: Most contributors to major US cancer guidelines have financial conflicts.
authors.affiliation: CMAJ.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D016265:Conflict of Interest; D004345:Drug Industry; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D017410:Practice Guidelines as Topic; D014481:United States