000 00322nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aJohn A Balint
245 0 _aGastrointestinal Bleeding-Diagnosis And Management
250 _a1977
260 _bJohn Wiley & Sons
300 _a101
650 _aGastro
942 _cMEDI
999 _c1101
_d1101