negative control
| with
| no
| added
| virus
| negative control | |
| med. pharma. | controllo negativo |
| with | |
| gen. | con |
| NOS | |
| chem. | ossido di azoto sintetasi |
| Add | |
| comp., MS | Aggiungi |
| add | |
| gen. | sommare |
| virus | |
| environ. | virus |
| IT | "virus" che contamina i computer |
| |||
| controllo negativo | |||
|
negative control : 5 phrases in 3 subjects |
| Chemistry | 1 |
| Medical | 3 |
| Pharmacy and pharmacology | 1 |