605,407 WIDMARK EVA Structure and evolution of class I and class II transplantation antigens : [doctoral thesis] / Eva Widmark ; [Uppsala Univeristy]. — Uppsala : Academiae Upsaliensis, 1987. — 39 s. : il. ; 24 cm (Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations frm the Faculty of Medicine ; 107) ISBN 91-554-2048-6 ISSN 0282-7476