 |
| biological protection: 31 phrases in 14 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Ecology | 3 |
| Energy industry | 4 |
| Foreign affairs | 2 |
| General | 1 |
| Makarov | 2 |
| Military | 9 |
| NATO | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 2 |
| Pharmacology | 1 |
| Security systems | 2 |
| Zoology | 1 |