000 00324 a2200133 4500
020 _a0123868629
050 _aMEDREF RC801
_b.E52
245 _aEncyclopedia of Gastroenterology
260 _aUSA
_bElsevier
_c2004
300 _axxxiv, 771p
_bill,
650 _agastroenterology
700 _aJohnson, Leonard R.
942 _cBK
999 _c16429
_d16429