000 00307nam a2200133Ia 4500
008 200504s9999 xx 000 0 und d
082 _a610
100 _aChristensen
245 0 _aGuide to Gastrointestinal mobtility
250 _a1
260 _bWright
_c1983
300 _eNO
650 _aGastroenterology
999 _c18326
_d18326