Idris, Attia Amin Mohamed. <br/><br/>
Effect of injection of vitamin A and testosterone on the sexual behaviour and semen qualities of buffalo and friesian bulls  [microform] /  
Attia Amin Mohamed Idris. 
 -  1977. 
 - 153, 2 Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S)--Cairo University, 1977. 
<br/><br/>Includes bibliographical references (leaves 130-153) 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin A--Physiological effect.<br/>Testosterone.<br/>Sexual behavior in animals.<br/>Bulls--Physiology.