title: DNA replication analysis of six 13-15--21 translocation families.
mesh_terms: D001345:Autoradiography; D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D002901:Chromosomes, Human, 13-15; D002904:Chromosomes, Human, 21-22 and Y; D004261:DNA Replication; D004314:Down Syndrome / Q000235:genetics; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine