Calnek, B W <br/><br/>
Lymphoid leukosis virus: a survey of commercial breeding flocks for genetic resistance and incidence of embryo infection.  [electronic resource] 

 -  Avian diseases  Feb 1968 
 - 104-11 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0005-2086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Avian Leukosis--immunology<br/>Chick Embryo--immunology<br/>Neutralization Tests<br/>Phenotype<br/>Poultry Diseases--immunology<br/>RNA Viruses--immunology