1 I PRACE DOKTORSKIE - Szwecja 553,810 KVIDAL PER Outcome and risk factors after aortic valve interventions / by Per Kvidal ; [Uppsala University]. - Uppsala : Acta Universitatis Upsaliensis, 1999. - 75 s. : wykr. ; 25 cm. - (Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ;