605,854 KARLSSON LARS Studies on class II proteins of the major histocompatibility complex and their role in forming the immune repertoire : [thesis] / by Lars Karlsson ; Uppsala University, Faculty of Medicine. - Uppsala : Academiae Ubsaliensis, 1991. - 40 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 301)