/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DrHaythamHatem https://cdn.slidesharecdn.com/profile-photo-DrHaythamHatem-48x48.jpg?cb=1642183248 PhD in Infectious Diseases, Faculty of Veterinery Medicine, Cairo Univ. 2010