Do patient, physician, and hospital characteristics affect appropriateness and outcome of selected procedures? [electronic resource] / Robert H. Brook ... [et al.].
New England journal of medicine Annals of internal medicine
Note
Reprints of two papers that appeared in the New England journal of medicine and the Annals of internal medicine. The data used is from the RAND/UCLA Health Services Utilization Study supplemented by additional data. Supported by the American Association of Retired Persons et al. "R-3929-AARP/CWF/HF/HCFA/PMT/RWJ/RC."