000 00258nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a616.3433 WAS
100 _aWastell, C.
245 _aChronic duodonal ulcer
260 _bButterworths
_aLondon
_c1972
999 _c144755
_d144755