أرسل هذا في رسالة قصيرة: Physio-pharmacology of erectile process in man

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