viroid
| characterization
| viroid | |
| health. | viroide |
| characterization | |
| gen. | caracterización |
| math. | caracterìstica |
| |||
| viroide m | |||
|
viroid : 6 phrases in 3 subjects |
| Health care | 3 |
| Laboratory equipment | 2 |
| Pest control | 1 |