PRACE DOKTORSKIE - SZWECJA 548,245 PONGPRAYOON UBONWAN Pharmacognostic studies on the Thai medicinal plant Ipomoea pes-caprae (L.)R. Br. (Pak Bung Ta Lae): [doctoral dissertation] / by Ubonwan Pongprayoon. - Uppsala : Academiae Upsaliensis, 1990. - 43 s. : il., wykr. ; 24 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Pharmacy, ISSN 0282-7484 ; 71) ISBN 91-554-2656-5