{despite the fact that muse cells {occur|occur{rarely|infrequently}, they {can|should} be identified by the expression of ssea-3, a marker of undifferentiated #file_links["C:UsersAdminDesktopfilegsa+en+DRDA2k4kGeorgiy2312241P2URLBB.txt",1,N], and common markers of mesenchymal stem cells, {like|such as} cd90, cd105.