00522cam a2200193 a 4500020001500000082001600015100001900031245003400050250000800084260004100092300002600133650002800159650003300187650001600220650003000236654002000266700001900286700002300305  a068308107100a616.33bTAY  aTaylor, Mark B00aGastrointestinal emergencies   aNil  aBaltimore bWilliams & Wilkinsc1992  axxviii, 643p. bill.  0aGastrointestinal system 0aGastrointestinal emergencies 2aEmergencies 2aGastrointestinal Diseases  aGastroentrology1 aGollan, John L1 aPeppercorn, Mark A