RT Journal Article SR Electronic(1)YR 1983 T1 Announcement JF Journal of General Virology, VO 64 IS 2 SP NP OP NP DO https://doi.org/10.1099/0022-1317-64-2-NP PB Microbiology Society, SN 1465-2099, AB , UL https://www.microbiologyresearch.org/content/journal/jgv/10.1099/0022-1317-64-2-NP