000 00330nam a2200121 4500
020 _a 9020702939
050 _aRC803
_bS44 1971
100 _aSellink J.L.
245 _aExamination of tghe small intestine by means of duodenal intubation
260 _aLeiden
_bH.E. Sterfert Kroese N.V
_c1971
300 _avi,147p.
942 _cBK
999 _c10293
_d10293