Risk assessment and health effects of pesticides used in tobacco farming in Malaysia

asia asie chemical control control de insectos efectos secundarios effet secondaire genre humain insect control insecte nuisible insecticidas insecticide insecticides lutte chimique malaisie malasia malaysia mankind metamidofos methamidophos nicotiana nontarget effects occupational hazards occupations ocupaciones pest insects pests of plants plagas de plantas pulverizadores ravageur des plantes riesgo riesgos ocupacionales risk risk assessment risque risque professionnel side effects sprayers symptome symptoms tabac tabaco tobacco toxicidad toxicity toxicologia toxicologie toxicology