Key References
- FLEHMIG B, HEINRIAY U, PFISTERER M: Prog. Med. Virol. (1990) 37:56–71.
- EMINI EA, HUGHES JH, PERLOW DS et al.: J. ViroL (1985) 55:836–839.
- POWDRILL TF, JOHNSTON JM: J. ViroL (1991) 65:2686–2690.
- KARAYIANNIS P, O'ROURKE S, MCGARVEY MJ et at.: J. Gen. ViroL (1991) 72:2167–2172.