1. Therapeutic upper gastrointestinal endoscopy;Lambert,1990
2. Endoscopic treatment of gastrointestinal bleeding: electrocoagulation;Papp,1987
3. Benign and malignant tumours of the stomach;Jensen,1987
4. Percutaneous endoscopic gastrostomy;Larson,1987
5. Premedication for upper gastrointestinal endoscopy;Ross;Gastrointest. Endosc.,1989