/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ahmadpardis https://cdn.slidesharecdn.com/profile-photo-ahmadpardis-48x48.jpg?cb=1589861753 MD, Kabul Medical Unoversity, Kabul-Afghanistan MSc Public Health, London School of Hygiene and Tropical Medicine/University of London-UK