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  _____     ______    _  _    __   __            
 /  ___||  /_   _//  | \| ||  \ \\/ //   ____    
| // __     -| ||-   |  ' ||   \ ` //   |    \\  
| \\_\ ||   _| ||_   | .  ||    | ||    | [] ||  
 \____//   /_____//  |_|\_||    |_||    |  __//  
  `---`    `-----`   `-` -`     `-`'    |_|`-`   
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Text this: Immunoglobulin G (IgG) subclass deficiency in Thai children