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| matière active; produit actif; substance active | |||
| principe actif | |||
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| substances actives | |||
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active substance : 24 phrases in 9 subjects |
| Agriculture | 4 |
| Analytical chemistry | 1 |
| Chemistry | 4 |
| Environment | 1 |
| Health care | 4 |
| Life sciences | 1 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 2 |
| Pharmacy and pharmacology | 5 |