Validating audit criteria: an analytic approach illustrated by peptic ulcer disease.
D005069:Evaluation Studies as Topic; D006801:Humans; D008485:Medical Audit / Q000379:methods*; D010043:Outcome and Process Assessment, Health Care / Q000592:standards*; D010437:Peptic Ulcer / Q000175:diagnosis / Q000628:therapy*; D011785:Quality Assurance, Health Care