RT Journal Article SR Electronic(1)YR 1970 T1 Second International Congress for Virology JF Journal of General Virology, VO 9 IS 3 SP 257 OP 257 DO https://doi.org/10.1099/0022-1317-9-3-257 PB Microbiology Society, SN 1465-2099, AB , UL https://www.microbiologyresearch.org/content/journal/jgv/10.1099/0022-1317-9-3-257