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Infection of chick embryo tracheal organ cultures with influenza A2 (Hong Kong) virus. I. Cytopathology, histopathology, immunofluorescence, hemadsorption, and titration of the released infectious progeny virus
Infection of chick embryo tracheal organ cultures with influenza A2 (Hong Kong) virus. I. Cytopathology, histopathology, immunofluorescence, hemadsorption, and titration of the released infectious progeny virus