Douglas K. RexBooksColonoscopyColonoscopyColonoscopic Polypectomy, an Issue of Gastrointestinal Endoscopy ClinicsFlexible sigmoidoscopyAdvances in Colonoscopy, an Issue of Gastrointestinal Endoscopy ClinicsColorectal Cancer Screening an Issue of Gastrointestinal Endoscopy ClinicsAuthor data: Open Library
