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Gobert GN.Gobert GN.Microsc Res Tech. 1998 Aug 1;42(3):176-85. doi: 10.1002/(SICI)1097-0029(19980801)42:3<176::AID-JEMT2>3.0.CO;2-R.Microsc Res Tech. 1998.PMID: 9764918Review.