TY - GEN AU - Maher Shafik Mohammed Mohammed AU - Abdelmeguid Wahba Kheir Eldin , AU - Youssif Ibrahim Youssif , TI - Investigation of poultry diseases of common occurrence in Sinai / PY - 1997/// CY - Cairo : PB - Maher Shafik Mohammed Mohammed , N1 - Thesis(M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases UR - http://172.23.153.220/th.pdf ER -