52 ENVIRONNEMENT | MT 5211 milieu naturel | BT1 faune | BT2 vie sauvage | RT insecticide [5626] | lutte contre les insectes [5206] | vecteur de maladie [2841]
52 ENVIRONMENT | MT 5211 natural environment | BT1 animal life | BT2 wildlife | RT disease vector [2841] | fight against insects [5206] | insecticide [5626]