Helicobacter pylori in peptic ulcer disease : proceedings of a symposium held in Brussels, Belgium, 23 September 1993 / edit. M. Deltenre, P. Malfertheiner Vol. 29 Suppl. 205 1994/The British Society for Haematology. Oslo : Scandinavian University Press, 1994. 60 s.   [1, z toho voľných 0, prezenčne 1]