title: Single-strand breakage in mammalian chromosomal DNA: sensitive detection by application of a sedimentation anomaly.
mesh_terms: D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient / Q000379:methods; D002875:Chromosomes / Q000528:radiation effects / Q000648:ultrastructure; D006224:Cricetinae; D003412:Cricetulus; D004247:DNA / Q000032:analysis*; D004926:Escherichia coli / Q000528:radiation effects / Q000648:ultrastructure; D051379:Mice
chemical_list: D004247:DNA