PRACE DOKTORSKIE - SZWECJA 305,538 STRUVE JOHAN Hepatitis B virus infection among Swedish adults : aspects on seroepideaiology, transmision, and vaccine response ; (thesis) /by Johan Struwe ; Scandinavian University. - Oslo ; Stockholm : Scandinavia Univ. Press, 1992. - 57 s. : wykr. ; 25 cm (Scandinavian Journal of Infectious Diseases, ISSN 0300-8878 , suppl. 82)