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Amplification by PCR of ICP4 (A), pp38 (B), meq (C), and gB (D) using DNA from CEF infected with MDV strain CVI988 (lanes 1), QT35 cells (lanes 2), or uninfected CEF (lanes 3). The PCR products were separated by electrophoresis in 1.5% agarose gels, stained with ethidium bromide, and visualized with an Eagle Eye II still-video system. The sizes of the amplified fragments are indicated.
