title: Benchmarking changes in symptom intensity and magnitude of disability.
authors.affiliation: Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, USA.
authors.forename: David
authors.initials: D
authors.lastname: Ring
mesh_terms: D019985:Benchmarking; D004185:Disability Evaluation; D005260:Female; D006801:Humans; D008297:Male; D010147:Pain Measurement; D018434:Sickness Impact Profile