000 00277nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a617
100 _a floch
245 0 _aNetter's gastroenterology
250 _a-
260 _bIcon
_c-
440 _v_
650 _aSurgery
999 _c50691
_d50691