title: Are all those pain ratings necessary?
authors: Pain Management Center Department of Anesthesiology College of Physicians and Surgeons Columbia University New York, NY 10032, USA.
authors: Robert H
authors: RH
authors: Dworkin
authors: Richard N
authors: RN
authors: Siegfried
mesh_terms: D006801:Humans; D010146:Pain / Q000523:psychology; D010147:Pain Measurement