The Endoscopist's Influence on Endoscopic Test Characteristics

1Portland VA Medical Center, Portland, Oregon, USA 2Division of Gastroenterology and Hepatology, Oregon Health & Science University, Portland, Oregon, USA 3Mayo Clinic, Scottsdale, Arizona, USA Correspondence: Amnon Sonnenberg, MD, MSc, Portland VA Medical Center P3-GI, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, USA. E-mail: [email protected]