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Ke XS, Qu Y, Rostad K, Li WC, Lin B, Halvorsen OJ, Haukaas SA, Jonassen I, Petersen K, Goldfinger N, Rotter V, Akslen LA, Oyan AM, Kalland KH.Ke XS, et al. Among authors: jonassen i.PLoS One. 2009;4(3):e4687. doi: 10.1371/journal.pone.0004687. Epub 2009 Mar 5.PLoS One. 2009.PMID: 19262738Free PMC article.