title: The logic of alternative routes.
authors.forename: H J
authors.initials: HJ
authors.lastname: McQuay
mesh_terms: D006801:Humans; D009294:Narcotics / Q000008:administration & dosage* / Q000627:therapeutic use; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000188:drug therapy*
chemical_list: D009294:Narcotics