605,853 SONG YAO-HUA In vitro studies on parietal cell acid formation and some mechanisms involved in gastroduodenal lesions : [thesis] / by Yao-hua Song ; Uppsala University, Faculty of Medicine. - Uppsala : Academiae Ubsalien-sis, 1991. - 42 s. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 300) ISBN 91-554-2720-0