Lawson, D C <br/><br/>
Use of a sustained release bolus for enhancing selenium status in cattle.  [electronic resource] 

 -  The Veterinary record  Jul 1990 
 - 67-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-4900 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle--metabolism<br/>Delayed-Action Preparations<br/>Female<br/>Glutathione Peroxidase--blood<br/>Pregnancy<br/>Selenium--administration & dosage