發送短信 : Guy's Stone Score (GSS) Based on Intravenous Pyelogram (IVP) Findings Predicting Upper Pole Access Percutaneous Nephrolithotomy (PCNL) Outcomes

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