306,164 LI HA-SHENG Genetic influences on susceptibility of the auditory system to aging and enviromental factors : [thesis] /by Ha-Sheng Li ; Karolinska Instytute. - Stockholm : Kongl. Carolinska Medico Chirurgiska Institutet, 1992. - 39 s. : il., wykr. ; 25 cm (Scandinavian Audiology, ISSN 0105-0397 ; vol. 21, suppl. 36)