TY - BOOK AU - Sung,Joseph J.Y. AU - Kuipers,Ernst J. AU - Barkun,Alan N. TI - Gastrointestinal bleeding SN - 9781405195553 (hardback) PY - 2012/// CY - Chichester PB - Wiley-Blackwell KW - Gastrointestinal Hemorrhage KW - diagnosis KW - therapy ER -