The main emphasis of this new fifth edition of Advanced Therapy of Gastroenterology and Liver Disease is on patient management. Chapters are dedicated to general topics in gastroenterology and hepatology practice and the use of diagnostic tests in clinical decision-making. Principles in endoscopy including sedation and infection control are also examined. Each chapter consists of recommendations from an expert in the field concerning a very focused problem. The authors discuss recommendations for instituting, modifying, and monitoring therapy, including combinations of drugs and / or therapeutic and diagnostic procedures.