BCHE and organophosphate poisoning: Serum cholinesterase levels did not significantly change in 20 days, after which they began to rise and returned to about 50% of the normal value after 30 days.According to the guidelines for the diagnosis and treatment of organophosphorus poisoning, clinical cure can be confirmed and the patient can be discharged when the cholinesterase level rises to 50% of the normal value (Thiermann et al., 1997; Clinical Expert Consensus on the, 2016).