305,180 HELICOBACTER Helicobaster pylori in peptic ulcer disease : Proceedings of a Symposium held in Brussels, Belgium, 23 September 1993 / ed. by H. Deltenre and P. Malfertheiner. - Oslo [etc.] Scandinavian University Press, 1994. - [4], 60 s. : il. 28 cm an University Press ISBN 0085-5928 vol. 29, suppl. 205) Scandinavian Journal of Gastroenterology