TY - BOOK AU - Sitaraman, S V (ed) AU - Friedman, L S [1953-] (ed) TI - Essentials of gastroenterology SN - 9780470656259 PY - 2012/// CY - Chichester, West Sussex PB - Wiley-Blackwell KW - Gastroenterology N1 - Foreword by Daniel K. Podolsky ER -