Nasser Abbas Youssef Sherif <br/><br/>
Laboratory studies on the effect of some extraneous contaminants present in imported and locally produced poultry vaccines /  
 دراسات معملية على تأثير وجود بعض الملوثات الخارجية فى لقاحات الطيور المستوردة والمنتجة محليا 
Nasser Abbas Youssef Sherif ; Supervised Amira Hassan Mohamed , Nabil Ahmed Hussein 
 - Cairo :   Nasser Abbas Youssef Sherif ,   2000 
 - 142Leaves :   charts ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Clinical Pathology