title: Three-way differential staining of sister chromatids in M3 chromosomes. Evidence for spontaneous sister chromatid exchanges in vitro.
mesh_terms: D001399:Azure Stains; D001973:Bromodeoxyuridine / Q000378:metabolism; D002842:Chromatids / Q000648:ultrastructure*; D003434:Crossing Over, Genetic; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D006367:HeLa Cells; D006801:Humans; D007399:Interphase; D008938:Mitosis; D012854:Sister Chromatid Exchange; D013194:Staining and Labeling
chemical_list: D001399:Azure Stains; D004247:DNA; D001973:Bromodeoxyuridine