605,531 ANDERSSON GORAN Concerted evolution of human class II major histocompatibility genes : thesis / Goran Andersson ; Uppsala University. — Uppsala : Academiae Ubsaliensis, 1987. — 36 s. : il., wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine ISSN 0282-7476 ; 116) ISBN 91-554-2093-1