ChlorfenvinphosPesticidesOrganophosphate PoisoningOrganophosphorus CompoundsInsecticidesPesticide ResiduesParathionChlorpyrifosDichlorvosOrganothiophosphorus CompoundsCholinesterasesPralidoxime CompoundsDiazinonOrganothiophosphatesMalathionMandelic AcidsDimethoateMethyl ParathionAntidotesCholinesterase ReactivatorsFenthionCholinesterase InhibitorsAcetylcholinesteraseFenitrothionButyrylcholinesteraseTrimedoximeAgriculturePhosmetOrganophosphatesParaoxonSomanSarinHealth FoodChemical Warfare AgentsOximesLiquid Phase MicroextractionSri LankaEnvironmental MonitoringSolid Phase MicroextractionEnvironmental ExposureTrichlorfonAryldialkylphosphataseTritolyl PhosphatesIsoflurophateAgricultural Workers' DiseasesPoisoningCarbamates