عناصر مشابهة

• Histological and histochemical studies on the ovary and oviduct of laying and non laying geese, ducks and pigeons
  بواسطة: El Sayed, Sawsan Mahmoud منشور: (1994)
• problems of coccidiosis in rabbits
  بواسطة: El Masry, Nabila Mahmoud M. منشور: (1983)
• Study on the interaction of some anticoccidial drugs
  بواسطة: Abd Alzem, Khaled Kamal Aldeen منشور: (1994)
• studies on the coccidia of some common egyptian birds
  بواسطة: Al Hoot, Abd Allah El Sayed Aly منشور: (1992)
• Studies on some surgical affections caused by parasites in animals
  بواسطة: El Mezyen, Abd Almegeed Fetouh منشور: (1984)