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| agent; substance | |||
| active ingredient; active principle; active substance | |||
| active constituent | |||
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| active substances | |||
| sustancia activa: 15 phrases, 7 sujets |
| Agriculture | 1 |
| Chimie | 1 |
| Environnement | 1 |
| Médical | 1 |
| Pharmacie et pharmacologie | 9 |
| Sciences de la vie | 1 |
| Soins de santé | 1 |