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|      \\   / _ \\   /  ___||  |  ___||  \ \\/ // 
|  --  //  | / \ || | // __    | ||__     \   //  
|  --  \\  | \_/ || | \\_\ ||  | ||__     / . \\  
|______//   \___//   \____//   |_____||  /_//\_\\ 
`------`    `---`     `---`    `-----`   `-`  --`

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Text this: Blood cholinesterase levels among agricultural workers in four Asian countries