Count | |
| 3 | |
| 10 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
Borrelia burgdorferi Group/*immunology/isolation & purification | 1 |
| 1 | |
Borrelia burgdorferi Group/*immunology/pathogenicity/ultrastructure | 1 |
Borrelia burgdorferi Group/growth & development/*immunology/pathogenicity | 1 |
| 1 | |
| 1 | |
| 1 | |
Borrelia burgdorferi Group/*chemistry/pathogenicity/ultrastructure | 1 |
Borrelia burgdorferi Group/*chemistry/genetics/ultrastructure | 1 |
Borrelia burgdorferi Group/*classification/genetics/pathogenicity | 1 |
| 4 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
Borrelia burgdorferi/genetics/isolation & purification/pathogenicity | 1 |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 7 | |
| 2 | |
| 6 | |
| 31 | |
| 1 | |
| 9 | |
| 25 | |
| 30 | |
| 1 | |
| 2 | |
| 21 | |
| 1 | |
| 12 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 7 | |
| 3 | |
| 6 | |
| 1 | |
| 9 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 12 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 6 | |
| 2 | |
| 5 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 11 | |
| 2 | |
| 1 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |