Animals 4 Article 4 Azinphos-methyl 4 Azinphosmethyl 4 B-esterases 4 Biomarkers 4 Carboxylic Ester Hydrolases 4 Cholinesterases 4 Insecticides 4 Invertebrata 4 Snails 4 Water Pollutants, Chemical 4 animal 4 animal experiment 4 azinphos methyl 4 biological marker 4 biomarker 4 carboxylesterase 4 cholinesterase 4 controlled study 4 drug effects 4 ecotoxicology 4 environmental exposure 4 enzyme activity 4 enzyme inhibition 4 enzymology 4 freshwater species 4 gastropod 4 insecticide 4 metabolism 4