000 00333nam a22001217a 4500
050 _aMED RC78.7
_bE5S32
100 _aSchiller, K.F.R
245 _aMordern topic in gastrointestinal endoscopy
260 _aLondon
_bWilliam heinemann medical books
_c1976
300 _axi, 333p.:
_bill
650 _aGastrointestinal tract
942 _cBK
999 _c1944
_d1944