546,624 JONSSON ANN-KRISTIN Studies on class II genes of the human major histocompatibility complex with special regards to strukture, polymorphism and evolution / [thesis] by Ann-Kristin Jonsson ; [Uppsala University]. - Uppsala : Academiae Upsaliensis, 1989. - 49 s. ; 25 cm ( Acta-/Jniversitatis Upsaliensis Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 200) ISBN 91-554-2366-3