title: Ag-staining of nucleolus organizer regions on human prematurely condensed chromosomes from cells with different ribosomal RNA gene activity.
mesh_terms: D002453:Cell Cycle; D002460:Cell Line; D002466:Cell Nucleolus; D002875:Chromosomes / Q000032:analysis*; D005347:Fibroblasts; D005796:Genes; D006801:Humans; D008214:Lymphocytes; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000235:genetics*; D012834:Silver; D013194:Staining and Labeling
chemical_list: D012335:RNA, Ribosomal; D012834:Silver