أرسل هذا في رسالة قصيرة: The comparison of villous damage at different ages of piglets infected with porcine epidemic diarrhea virus

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