000 nam a22 7a 4500
999 _c14535
_d14535
020 _a0632027061
082 _a616.33
_bCOT
100 _aCotton, Peter B
245 _aPractical gastrointestinal endoscopy
250 _a3rd ed.
260 _aLondon
_bBlackwell Scientific
_c1990
300 _a1-289 p.
654 _aGastroenterology
700 _aCotton, Peter B
700 _aWilliams, Christopher B
942 _cGB