發送短信 : Performance evaluation of a venous valve

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