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3. Validating risk-adjusted surgical outcomes: site visit assessment of process and structure. National VA Surgical Risk Study;Daley;J Am Coll Surg,1997
4. Risk adjustment of the postoperative morbidity rate for the comparative assessment of the quality of surgical care: results of the National Veterans Affairs Surgical Risk Study;Daley;J Am Coll Surg,1997
5. Risk adjustment of the postoperative mortality rate for the comparative assessment of the quality of surgical care: results of the National Veterans Affairs Surgical Risk Study;Khuri;J Am Coll Surg,1997