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. 2004 Dec;10(12):2192–2195. doi: 10.3201/eid1012.040743

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Figure A2 — Phylogenetic tree of isolates described in the text with 65 full-length H7 HA gene segments present in GenBank. The tree was generated with nucleotide sequences by the neighbor-joining method in Bonsai (1.1.4.) (http://calliope.gs.washington.edu/software/). Corrected distance estimate is indicated by the scale bar. The H7N3 avian influenza isolates reported in this article are at the bottom of the tree.