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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Virus Res. 2010 Dec 31;156(1-2):147–150. doi: 10.1016/j.virusres.2010.12.014

FIG. 3.

FIG. 3

Ultrathin section electron micrographs of CA04, k23 and k23HA-CA04 viruses. MDCK cells were infected with the viruses at a multiplicity of infection of 0.1. Samples were fixed 20 hours post-infection and analyzed as previously described (Noda et al., 2006).