The object of this book is to approach gastroenterology in the way that patients present, rather than in traditional organ based physiology and pathology. Both approaches have drawbacks, and diseases do not necessarily fit cleanly into either grouping. We have attempted to cover topics in two-page 'learning units' but of necessity some require more extensive coverage and this has been given. In keeping with other books in this series, the format uses individually designed double page spreads, generously illustrated with photographs, line drawings and tables
