000 00296nam a2200109 4500
020 _a9060210115
050 _aRC801
_bL47 1970
245 _aDiseases of the gastro-intestinal tract
260 _aNetherlands
_bLeiden University Press
_c1970
300 _avii,126p
_bill., included index
942 _cBK
999 _c9860
_d9860