Essentials of gastroenterology / edited by Shanthi V. Sitaraman, Lawrence S. Friedman. - Chichester : Wiley-Blackwell, 2012. - xxi, 452 p. : ill. ; 22 cm. ISBN: 9780470656259 (pbk.) RM264.05 Subjects--Topical Terms: Gastrointestinal diseases.