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Heethoff M, Helfen L, Cloetens P.Heethoff M, et al. Among authors: cloetens p.J Vis Exp. 2008 May 27;(15):737. doi: 10.3791/737.J Vis Exp. 2008.PMID: 19066586Free PMC article.
Dowker SE, Elliott JC, Davis GR, Wilson RM, Cloetens P.Dowker SE, et al. Among authors: cloetens p.Caries Res. 2004 Nov-Dec;38(6):514-22. doi: 10.1159/000080580.Caries Res. 2004.PMID: 15528905
Betz O, Wegst U, Weide D, Heethoff M, Helfen L, Lee WK, Cloetens P.Betz O, et al. Among authors: cloetens p.J Microsc. 2007 Jul;227(Pt 1):51-71. doi: 10.1111/j.1365-2818.2007.01785.x.J Microsc. 2007.PMID: 17635659