Abbas Elhusseiny Abbas Hanfie <br/><br/>
Studies on infectious causes of egg depression in chicken /  
 دراسات عن المسببات المعدية لانخفاض انتاج البيض فى الدجاج 
Abbas Elhusseiny Abbas Hanfie ; Supervised M. A. Bastami , M. M. Amer 
 - Cairo :   Abbas Elhusseiny Abbas Hanfie ,   1998 
 - 134Leaves :   charts ;   30cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases