1. Human infection with H9N2 avian influenza in northern China
Y. Pan 
Clinical Microbiology and Infection 
Volume 24, Issue 3, Pages (March 2018)
DOI: /j.cmi
Copyright © 2017 European Society of Clinical Microbiology and Infectious Diseases Terms and Conditions

2. Fig. 1
Phylogenetic tree of H9 gene (a) and PB2, PB1, PA, NP, NA, MP and NS gene (b) of avian influenza A (H9N2) viruses in Beijing. The phylogenetic trees were constructed using MEGA (v6.0.4) program and employing the neighbour-joining method with a bootstrap of 1000.
Clinical Microbiology and Infection  , DOI: ( /j.cmi )
Copyright © 2017 European Society of Clinical Microbiology and Infectious Diseases Terms and Conditions