000 00310nam a2200121Ia 4500
008 201224s9999||||xx |||||||||||||| ||und||
020 _a0-19-262227-7
100 _aJonees,R
_95376
245 0 _aGastrointestinal problems in general practice
260 _aOxford
_bOxford Uni.
_c1993
500 _a247
942 _cBK
999 _c7457
_d7441