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Chikhalya A, Luu DD, Carrera M, De La Cruz A, Torres M, Martinez EN, Chen T, Stephens KD, Haas-Stapleton EJ.Chikhalya A, et al. Among authors: stephens kd.J Gen Virol. 2009 Aug;90(Pt 8):2023-2032. doi: 10.1099/vir.0.011718-0. Epub 2009 May 7.J Gen Virol. 2009.PMID: 19423548
Farenhorst A, Papiernik SK, Saiyed I, Messing P, Stephens KD, Schumacher JA, Lobb DA, Li S, Lindstrom MJ, Schumacher TE.Farenhorst A, et al. Among authors: stephens kd.J Environ Qual. 2008 May 2;37(3):1201-8. doi: 10.2134/jeq2007.0109. Print 2008 May-Jun.J Environ Qual. 2008.PMID: 18453439
Stephens KD, Farenhorst A, Les Fuller G.Stephens KD, et al.J Environ Sci Health B. 2002 Nov;37(6):561-71. doi: 10.1081/PFC-120015439.J Environ Sci Health B. 2002.PMID: 12403266