Count | |
| 101 | |
| 38 | |
| 1 | |
| 6 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 2 | |
| 1 | |
| 18 | |
| 15 | |
| 3 | |
| 2 | |
| 4 | |
| 19 | |
| 16 | |
| 15 | |
| 1 | |
| 4 | |
| 1 | |
| 13 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 4 | |
| 2 | |
| 1 | |
| 1 | |
| 13 | |
| 1 | |
| 1 | |
| 1 | |
| 9 | |
| 10 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
Helicobacter pylori/growth & development/*immunology/pathogenicity | 1 |
| 1 | |
Helicobacter pylori/*genetics/immunology/isolation & purification | 1 |
| 2 | |
Helicobacter pylori/enzymology/*genetics/isolation & purification | 1 |
| 1 | |
Helicobacter pylori/*chemistry/growth & development/*immunology | 1 |
| 1 | |
Helicobacter pylori/*immunology/isolation & purification/metabolism | 1 |
Helicobacter pylori/chemistry/isolation & purification/*metabolism | 1 |
| 1 | |
| 5 | |
| 3 | |
| 4 | |
| 4 | |
| 3 | |
| 1 | |
| 5 | |
| 5 | |
| 5 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 14 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 12 | |
| 7 | |
| 3 | |
| 11 | |
| 10 | |