The fundamental guide to gastrointestinal endoscopy returns in a fully updated new edition For over forty years, Cotton and Williams' Practical Gastrointestinal Endoscopy offers a clear, accessible introduction to endoscopic fundamentals, from patient positioning to the range of available procedures. Now updated by a new authorial team to reflect rapid recent advances in endoscopic procedures, this text promises to serve a new generation of students and specialists as the essential introduction to upper and lower gastrointestinal endoscopies. Readers of the eighth edition of Cotton and Williams' Practical Gastrointestinal Endoscopy will also find: Updated online resources including a downloadable bank of clinical photos High-quality videos illustrating endoscopic practices and procedures, keyed to specific points in the text Cotton and Williams' Practical Gastrointestinal Endoscopy remains a must-own for all trainee and specialist gastroenterologists and endoscopists.