title: Pain science and rational polypharmacy: an historical perspective.
authors.affiliation: Philadelphia VA Medical Center, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA.
authors.forename: Rollin M
authors.initials: RM
authors.lastname: Gallagher
mesh_terms: D002908:Chronic Disease; D049673:History, 20th Century; D006801:Humans; D010146:Pain / Q000188:drug therapy* / Q000266:history / Q000503:physiopathology; D019338:Polypharmacy