أرسل هذا في رسالة قصيرة: HIV estimation using population-based surveys with non-response: A partial identification approach

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