أرسل هذا في رسالة قصيرة: Echinostoma revolutum: Freshwater snails as the second intermediate hosts in Chiang mai, Thailand

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