title: Clinical research: issues in data collection.
authors: Center for the Evaluative Clinical Sciences, Dartmouth Medical School and Dartmouth-Hitchcock Medical Center, Hanover, New Hampshire 03755, USA. james.n.weinstein@dartmouth.edu
authors: J N
authors: JN
authors: Weinstein
authors: R A
authors: RA
authors: Deyo
mesh_terms: D002986:Clinical Trials as Topic; D003625:Data Collection; D006801:Humans; D013122:Spinal Diseases / Q000628:therapy*