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Lindahl C, Pujari-Palmer S, Hoess A, Ott M, Engqvist H, Xia W.Lindahl C, et al.Mater Sci Eng C Mater Biol Appl. 2015 Aug;53:322-30. doi: 10.1016/j.msec.2015.04.015. Epub 2015 Apr 14.Mater Sci Eng C Mater Biol Appl. 2015.PMID: 26042720