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Sheppard M, Tsatas E, Johnson M.Sheppard M, et al. Among authors: johnson m.DNA Seq. 1998 Mar;9(1):37-43. doi: 10.3109/10425179809050023.DNA Seq. 1998.PMID: 9773274
Sheppard M, Werner W, Tsatas E, McCoy R, Prowse S, Johnson M.Sheppard M, et al. Among authors: johnson m.Arch Virol. 1998;143(5):915-30. doi: 10.1007/s007050050342.Arch Virol. 1998.PMID: 9645198Free PMC article.
McCoy RJ, Johnson MA, Sheppard M.McCoy RJ, et al. Among authors: johnson ma.DNA Seq. 1996;6(4):251-4. doi: 10.3109/10425179609008451.DNA Seq. 1996.PMID: 8912929
McCoy RJ, Sheppard M, Johnson MA.McCoy RJ, et al. Among authors: johnson ma.DNA Seq. 1997;8(1-2):59-61. doi: 10.3109/10425179709020886.DNA Seq. 1997.PMID: 9522122
Sheppard M, Werner W, McCoy RJ, Johnson MA.Sheppard M, et al. Among authors: johnson ma.Arch Virol. 1998;143(3):537-48. doi: 10.1007/s007050050309.Arch Virol. 1998.PMID: 9572553
McCoy RJ, Sheppard M, Studdert MJ, Johnson MA.McCoy RJ, et al. Among authors: johnson ma.Arch Virol. 1999;144(6):1217-27. doi: 10.1007/s007050050581.Arch Virol. 1999.PMID: 10446655
Sheppard M, Werner W, Johnson MA.Sheppard M, et al. Among authors: johnson ma.DNA Seq. 1998;8(6):391-6. doi: 10.3109/10425179809020900.DNA Seq. 1998.PMID: 10728824
Kongsuwan K, Prideaux CT, Johnson MA, Sheppard M, Fahey KJ.Kongsuwan K, et al. Among authors: johnson ma.Virology. 1991 Sep;184(1):404-10. doi: 10.1016/0042-6822(91)90859-a.Virology. 1991.PMID: 1840710