Text this: Gamma-Glutamyltransferase- Is it a Biomarker of oxidative stress?

  ______    ______    _____      ___     _____    
 /_   _//  /_   _//  |__  //    / _ \\  |  __ \\  
 `-| |,-    -| ||-     / //    / //\ \\ | |  \ || 
   | ||     _| ||_    / //__  |  ___  ||| |__/ || 
   |_||    /_____//  /_____|| |_||  |_|||_____//  
   `-`'    `-----`   `-----`  `-`   `-`  -----`