title: Do clusters of replication units in the mammalian cells exist?
mesh_terms: D000818:Animals; D001345:Autoradiography; D002478:Cells, Cultured; D002875:Chromosomes / Q000648:ultrastructure; D006224:Cricetinae; D004247:DNA / Q000235:genetics; D004261:DNA Replication; D006801:Humans; D012093:Replicon
chemical_list: D004247:DNA