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Ignatova VA, Van Den Berghe S, Van Dyck S, Popok VN.Ignatova VA, et al. Among authors: popok vn.Microsc Microanal. 2006 Oct;12(5):432-7. doi: 10.1017/S143192760606048X.Microsc Microanal. 2006.PMID: 16984670