發送短信 : Prolonged Ambulatory Oesophageal pH and Pressure Recording in Healthy Adults in Singapore

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