548,447 ENGSTRÔM INGEMAR Psychiatric and social aspects of inflammatory bowel disease in children and adolescents : [thesis] / by Ingemar Engstrom ; Uppsala University, Faculty of Medicine. - Uppsala : Academiae Ubsaliensis, 1991. - 58 s. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 299) ISBN 91-554-2718-9