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Narukawa T, Riley KW, French DH, Takatsu A, Chiba K.Narukawa T, et al.J Environ Monit. 2003 Oct;5(5):831-6. doi: 10.1039/b305392j.J Environ Monit. 2003.PMID: 14587857
Narukawa T, Takatsu A, Chiba K, Riley KW, French DH.Narukawa T, et al.J Environ Monit. 2005 Dec;7(12):1342-8. doi: 10.1039/b509817c. Epub 2005 Oct 24.J Environ Monit. 2005.PMID: 16307094