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Koli K, Saharinen J, Hyytiäinen M, Penttinen C, Keski-Oja J.Koli K, et al. Among authors: saharinen j.Microsc Res Tech. 2001 Feb 15;52(4):354-62. doi: 10.1002/1097-0029(20010215)52:4<354::AID-JEMT1020>3.0.CO;2-G.Microsc Res Tech. 2001.PMID: 11170294Review.