Study Designs in Epidemiology
Clinical Trials
Clinical Trials: Overview
Blinding
Bioavailability Study Design: Healthy Subjects Versus Patients
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
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Updated: Mar 7, 2026

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
Published on: August 1, 2019
Merethe K Andersen1, Line B Pedersen2,3, Volkert Siersma4
1Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, Odense, Denmark. mkandersen@health.sdu.dk.
This study evaluates Denmark's mandatory general practice accreditation. It found no significant changes in prescribing for older adults, highlighting the need for more research on accreditation's clinical impact.
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