LINKÖPING UNIVERSITY MEDICAL DISSERTATIONS ; NR 120 549,146 HEUMAN ROLF Crohn’s disease : aspects on intestinal and extraintestinal abnormalities : [dissertation] / by Rolf Heuman ; Linkuping University Department of Surgery and Department of Clinical Chemistry. - Linkoping : LinkcJping University, 1981. - 127 s. : il., wykr. ; 24 cm ÇLinkoping University Medical Dissertations ; nr 120) Zawiera 7 prac wspôlaut. ISBN 91-7372-475-0