عناصر مشابهة

• A Study of The Prevelance of Chronic Cholecystitis 
  بواسطة: Soryal, Bahgat Sabit Sayed  منشور: (1986)
• Study Of Environmental Impacts Of Nuclear Powere Plants And Its Effect On Human Health \\ 
  بواسطة: Selim, Ibrahim Abdel Rehim منشور: (2008)
• An Epidemiological study on the health conditions among the militaty 
  بواسطة: Eid, Abdel Moniem Hassan  منشور: (1982)
• Epidemiological studies on the economic and public health importance of some pathogens in poultry litter
  بواسطة: May Fathy Abdelaty Ahmed منشور: (2012)
• Prevelances of cytomegalovirus antibody in blood denoses 
  بواسطة: Mussa, Esam Abdel Aty  منشور: (1999)