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John Paul Vader — Publications

Is the Diagnostic Yield of Upper GI Endoscopy Improved by the Use of Explicit Panel-Based Appropriateness Criteria? 2000
Overuse and Underuse of Colonoscopy in a European Primary Care Setting 2000
Performance of Panel-Based Criteria to Evaluate the Appropriateness of Colonoscopy: A Prospective Study 1998
Reliability of Panel-Based Guidelines for Colonoscopy: An International Comparison 1998
Appropriateness of Indications for Surgery of Lumbar Disc Hernia and Spinal Stenosis 1997
Appropriateness of Upper Gastrointestinal Endoscopy: Comparison of American and Swiss Criteria 1997
Overuse of Upper Gastrointestinal Endoscopy in a Country with Open-Access Endoscopy: A Prospective Study in Primary Care 1997
Underutilization of Upper Gastrointestinal Endoscopy 1997
Appropriateness and Diagnostic Yield of Upper Gastrointestinal Endoscopy in an Open-Access Endoscopy Unit 1996