605,848 AHRENSTEDT ÖRJAN Immunologic characterization of Crohn’s disease by segmental intestinal perfusion : [thesis] / by Örjan Ahrenstedt ; Uppsala University, Faculty of Medicine. - Uppsala : Academiae Ubsaiiensis, 1991. -43 s. ; 25 cm + wkl. [1] k. (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 292) ISBN 91-554-2707-3