/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vulongdai https://cdn.slidesharecdn.com/profile-photo-vulongdai-48x48.jpg?cb=1523617944 Hanoi Medical University N董i 畛� hi畛�n t畉�i: ��畛�ng ��a-H�� N畛�i