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