/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SamiDagher https://public.slidesharecdn.com/v2/images/profile-picture.png my moto : We must stop teaching that opportunity knocks. You can listen at the door for 10 lifetimes, but you will not hear knocking. You are the opportunity - You open the door. Maxwell Mltz MD