605,398 WALTERSSON JAN-OLOF Metodological studies on the evaluation of drug stability in preformulation work : [doctoral -thesis] / by Jan-Olof Waltersson ; [Uppsala University]. — Uppsala : Academiae Upsaliensis, 1986. — A3 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations frm the Faculty of Pharmacy, ISSN 0282-7484 ; 15) ISBN 91-54-1873-2