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Lanford RE, Butel JS.Lanford RE, et al.Virology. 1980 Sep;105(2):303-13. doi: 10.1016/0042-6822(80)90032-x.Virology. 1980.PMID: 6252682No abstract available.
Lanford RE, Butel JS.Lanford RE, et al.Virology. 1980 Sep;105(2):314-27. doi: 10.1016/0042-6822(80)90033-1.Virology. 1980.PMID: 6252683No abstract available.
Lanford RE, Butel JS.Lanford RE, et al.Virology. 1982 May;119(1):169-84. doi: 10.1016/0042-6822(82)90074-5.Virology. 1982.PMID: 6280381No abstract available.
Lanford RE, Butel JS.Lanford RE, et al.Virology. 1979 Sep;97(2):295-306. doi: 10.1016/0042-6822(79)90341-6.Virology. 1979.PMID: 89756No abstract available.