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PubMed Entrez BLAST Genome Taxonomy Structure
 or 
     
 superkingdom, kingdom, phylum, class, order, family, genus, species
Common Taxonomy Tree
Retroviridae
ExpandBovine leukemia virus
ExpandRous sarcoma virus
ExpandMouse mammary tumor virus
ExpandHuman immunodeficiency virus 1

Check Taxa for Removal
Bovine leukemia virus Mouse mammary tumor virus
Human immunodeficiency virus 1 Rous sarcoma virus
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