Poisoning by parathion.
D002802:Cholinesterases / Q000097:blood*; D004912:Erythrocytes; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D009135:Muscular Diseases / Q000209:etiology*; D010278:Parathion / Q000506:poisoning*
D010278:Parathion; D002802:Cholinesterases