negative control
| sample
| negative control | |
| med. pharma. | neigiamas kontrolinis bandinys |
| sample | |
| math. | pavyzdys; imtis |
| med. | atrankinis |
| scient. | ėminys; mėginys |
| |||
| neigiamas kontrolinis bandinys | |||
|
negative control : 5 phrases in 3 subjects |
| Chemistry | 2 |
| Health care | 1 |
| Medical | 2 |