title: We do not need a third mechanistic descriptor for chronic pain states! Not yet.
authors.affiliation: Department of pain management and research, Oslo university hospital, Oslo, Norway.|Faculty of Health and Social Sciences, University College of Southeast Norway, Drammen, Norway.
authors.forename: Lars-Petter
authors.initials: LP
authors.lastname: Granan
mesh_terms: D059350:Chronic Pain; D006801:Humans; D010147:Pain Measurement