عناصر مشابهة

• Some studies on paramyxovirus infection in pigeon
  بواسطة: Gaber, Mohamed Shaker Abd Alhafez منشور: (2004)
• Study on some viral diseases of ducks
  بواسطة: Shaheen, Abeer Mohamed Mohamed منشور: (1998)
• Some studies on viral and chlamydial infection in wild ungulates
  بواسطة: Rizk, Medhat Kamal منشور: (2002)
• Studies on some Respiratory Viral Infections and the Value of Histopathology as Mean of Diagnosisi in Chickens
  بواسطة: Ali, Abd Almonem Ahmed منشور: (1984)
• Current status of gumboro disease in Egypt
  بواسطة: Ali, Abd Alazeem Mohamed Abd Alazeem منشور: (2003)