 |
| |||
| period of inquiry; period of survey operation; inquiry period | |||
| период обследования: 4 phrases in 4 subjects |
| Clinical trial | 1 |
| Mass media | 1 |
| Rail transport | 1 |
| Statistics | 1 |
|
| |||
| period of inquiry; period of survey operation; inquiry period | |||
| период обследования: 4 phrases in 4 subjects |
| Clinical trial | 1 |
| Mass media | 1 |
| Rail transport | 1 |
| Statistics | 1 |