PRACE DOKTORSKIE - FINLANDIA 550,839 SIIVONEN LASSE Sinonasal transitional papilloma : etiological factors, diagnostic evaluation and treatment : [thesis] / by Lasse Siivonen ; from the Department of Otorhinolaryngology, University of Turku. -Turku : [Turun Yliopisto], 1993. - 61, 40 s. wiele liczb. : il., wykr. ; 25 cm (Annales Universitatis Turkuensis Ser. D Medica-Odontologica, ISSN 0355-9483 ;115) ISBN 951-880-971-2