547,543 JANSON LARS Characterization of the human U2 snRNA gene enhancer : [doctoral thesis] / Lars Janson ; Uppsala University. - Uppsala : Academiae Ubsaliensis, 1990. -57 s. : wykr. ; 21 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Pharmacy, ISSN 0282-7476 ; 267) ISBN 91-554-2606-9