title: The replication of human heterochromatin in serial culture.
mesh_terms: D001345:Autoradiography; D004261:DNA Replication; D005260:Female; D005467:Floxuridine / Q000494:pharmacology; D006570:Heterochromatin; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D012728:Sex Chromatin; D012729:Sex Chromosome Aberrations / Q000378:metabolism; D012730:Sex Chromosomes / Q000378:metabolism*
chemical_list: D006570:Heterochromatin; D005467:Floxuridine