Medical presentation

 antigens and toxins  to download to this presentation from this link https://www.mediafire.com/file/xx10xbl6m22zuap/antigensandtoxins-130218040245-phpapp01.pptx/file

 Report about the most common parasite  In Gaza Strip to download this presentation from this link https://www.mediafire.com/file/hynyhobhpz8z6pl/gazastripparasite-130218045727-phpapp02.pptx/file

 Food Spoilage  to download this presentation from this link  https://www.mediafire.com/file/ld084600exof012/foodspoilage-130218045546-phpapp01.pptx/file

 Bioweapon to download this presentation from this link  https://www.mediafire.com/file/w992gr58884xfkp/bioweapon-130218172039-phpapp02.pptx/file