Hala Abd Alla A.Abou-Zeina, <br/><br/>
Studies on deficiency of trace elements in livestock /    
 دراسات عن أمراض نقص العناصر النادرة في حيوانات المزرعة  
by Hala Abd Alla A.Abou-Zeina ; Supervision Prof. Dr. Fatma A.Tayed, Prof. Dr. Yousry A. Radwan, Prof. Dr. Sabry A.Awad Alla, Prof. Dr. Nabila S.Degheidy 
 - 162 Leaves  illustrations  30 cm. +  
<br/><br/>Thesis (Ph.D)-Cairo University, 1996. 
<br/><br/>Bibliography: pages 127-1162 
<br/><br/><label>Subjects--Index Terms: </label>deficiency of trace elements in livestock