title: Mechanism of chromosome breakage--a new theory.
mesh_terms: D002869:Chromosome Aberrations; D002875:Chromosomes / Q000187:drug effects*; D004247:DNA / Q000096:biosynthesis*; D004254:DNA Nucleotidyltransferases / Q000502:physiology; D011756:Diphosphates / Q000494:pharmacology*; D005467:Floxuridine / Q000494:pharmacology*; D010944:Plants; D013936:Thymidine / Q000494:pharmacology
chemical_list: D011756:Diphosphates; D005467:Floxuridine; D004247:DNA; D004254:DNA Nucleotidyltransferases; D013936:Thymidine