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Cross A, Artenstein A, Que J, Fredeking T, Furer E, Sadoff JC, Cryz SJ Jr.Cross A, et al. Among authors: sadoff jc.J Infect Dis. 1994 Oct;170(4):834-40. doi: 10.1093/infdis/170.4.834.J Infect Dis. 1994.PMID: 7523536Clinical Trial.
Cross A, Asher L, Seguin M, Yuan L, Kelly N, Hammack C, Sadoff J, Gemski P Jr.Cross A, et al.J Clin Invest. 1995 Aug;96(2):676-86. doi: 10.1172/JCI118110.J Clin Invest. 1995.PMID: 7635960Free PMC article.