title: Studies on differentiation of avian pox viruses.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D046508:Culture Techniques; D005069:Evaluation Studies as Topic; D005586:Fowlpox / Q000382:microbiology*; D006386:Hemagglutination Tests; D007668:Kidney; D008099:Liver; D009500:Neutralization Tests; D011212:Poxviridae / Q000145:classification* / Q000276:immunology / Q000302:isolation & purification; D014776:Virus Cultivation