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Nordengen I, Klingen I.Nordengen I, et al. Among authors: klingen i.J Invertebr Pathol. 2006 May;92(1):1-6. doi: 10.1016/j.jip.2006.01.005. Epub 2006 Mar 13.J Invertebr Pathol. 2006.PMID: 16530784