00447nam a22001697a 4500020001800000082001600018100001800034245005500052250001200107260004500119300001300164650002200177654002200199700001800221700002000239700001800259  a9780199584079  a616.33bBLO  aBloom, Stuart  aOxford handbook of gastroenterology and hepatology  a2nd ed.  aNew DelhibOxford University Pressc2015  a1-629 p.  aGastroenterology   aGastroenterology   aBloom, Stuart  aWebster, George  aMarks, Daniel