@article{mbs:/content/journal/jgv/10.1099/0022-1317-18-2-171, author = "Newman, J. F. E. and Rowlands, D. J. and Brown, F.", title = "A Physico-chemical Sub-grouping of the Mammalian Picornaviruses", journal= "Journal of General Virology", year = "1973", volume = "18", number = "2", pages = "171-180", doi = "https://doi.org/10.1099/0022-1317-18-2-171", url = "https://www.microbiologyresearch.org/content/journal/jgv/10.1099/0022-1317-18-2-171", publisher = "Microbiology Society", issn = "1465-2099", type = "Journal Article", abstract = "Summary Several of the physico-chemical properties of representative members of the Picornaviridae family have been examined. On the basis of their buoyant density in caesium chloride, stability at pH 3 to 7 and the base composition of the virus RNA, a division of this family of viruses into six subgroups is suggested.", }