title: Plaque formation by clinical isolates of influenza A2-Hong Kong.
mesh_terms: D002460:Cell Line; D002999:Clone Cells; D003228:Conjunctiva / Q000166:cytology; D006386:Hemagglutination Tests; D006723:Hong Kong; D006801:Humans; D007251:Influenza, Human / Q000175:diagnosis / Q000382:microbiology*; D008722:Methods; D009975:Orthomyxoviridae / Q000254:growth & development*; D010948:Viral Plaque Assay; D014776:Virus Cultivation