The Gastrointestinal Sourcebook Author:M. Sara Rosenthal The Gastrointestinal Sourcebook provides relief with information on common symptoms, treatments, and appropriate management for everything from ulcers and dyspepsia to IBS and other gastrointestinal disorders. This guided tour of the digestive system helps readers determine if their gastrointestinal problems are temporary ailments or ind... more »icative of something more serious.« less