000 00302nam a2200121 4500
020 _a072161776X
050 _aRC801
_bB662 1974
245 _aGastroenterology
250 _aVol. 4
260 _aPhiladelphia
_bW.B.Saunders Company
_c1974
300 _axxiii, 795p.
_bill,. includes index
942 _cBK
999 _c9913
_d9913