Helfer, D H <br/><br/>
A new viral respiratory infection in parakeets.  [electronic resource] 

 -  Avian diseases   
 - 781-3 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0005-2086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Bird Diseases--etiology<br/>Herpesviridae Infections--etiology<br/>Parakeets<br/>Psittaciformes<br/>Respiratory Tract Infections--etiology