| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Helicobacter Pylori, Gastritis and Peptic Ulcer | 978-O-387-52O3O-8 (O-387-52O3O-9) | 1990 |
C.P. · E C. · G. C. · G.E · G. P.
Germany) European Conference on Environment and Health (1st : 1989 : Frankfurt am Main