title: Ultrastructural changes of chromatin induced by mutagens: effects of caffeine and ethidium bromide [proceedings].
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D002843:Chromatin / Q000187:drug effects*; D004996:Ethidium / Q000494:pharmacology*; D009153:Mutagens / Q000494:pharmacology*; D051381:Rats
chemical_list: D002843:Chromatin; D009153:Mutagens; D002110:Caffeine; D004996:Ethidium