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Morrin M, Reen DJ.Morrin M, et al. Among authors: reen dj.J Med Microbiol. 1993 Dec;39(6):459-66. doi: 10.1099/00222615-39-6-459.J Med Microbiol. 1993.PMID: 8246266
Doran M, Reen DJ.Doran M, et al. Among authors: reen dj.J Immunol Methods. 1989 Mar 31;118(2):237-43. doi: 10.1016/0022-1759(89)90011-2.J Immunol Methods. 1989.PMID: 2926156