Text this: Imaging cells and tissues with refractive index radiology

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