PRACE DOKTORSKIE - SZWECJA 547,549 NERBRAND CHRISTINA Cardiovascular diseases in seven counties of Sweden - regional differences and risk factors : [doctoral dissertation] / Christina Nerbrand ; Uppsala University. - Uppsala : Academiae Ubsaliensis, 1990. - 51 s. : il., wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Pharmacy, ISSN 0282-7476 ; 278)