| #41 | Gastroenterology International, Ed. international. -- Roma : International University Press, 1988-. -- ISSN 0950-5911 |
| #42 | Gastrointestinal endoscopy. -- St. Louis : Mosby, 1965-. -- ISSN 0016-5107 print. -- ISSN 1097-6779 online |
| #43 | Gut. -- London : British Medical Association, 1960-. -- ISSN 0017-5749 print. -- ISSN 1468-3288 online |
| #44 | Hepato-gastroenterology. -- Stuttgart : Thieme, 1980-. -- ISSN 0172-6390 |
| #45 | Hepatology. -- Philadelphia : Saunders, 1981-. -- ISSN 0270-9139 print. -- ISSN 1527-3350 online |
| #46 | Hepatology research. -- Tokyo : Elsevier Science, 1997-. -- ISSN 1386-6346 print. -- ISSN 1872-034X online |
| #47 | Inflammatory bowel diseases. -- New York : Raven Press, 1995-. -- ISSN 1078-0998 print. -- ISSN 1536-4844 online |
| #48 | International hepatology communications. -- Shannon : Elsevier, 1993-1997. -- ISSN 0928-4346 |
| #49 | International journal of colorectal disease. -- Berlin : Springer, 1986-. -- ISSN 0179-1958 print. -- ISSN 1432-1262 online |
| #50 | The Italian Journal of Gastroenterology. -- Roma : International University Press, 1978-1996. -- ISSN 0392-0623 |