title: Structural repeating units in chromatin. II. Their isolation and partial characterization.
mesh_terms: D000818:Animals; D002645:Chickens; D002843:Chromatin / Q000032:analysis* / Q000187:drug effects / Q000648:ultrastructure; D004247:DNA / Q000032:analysis* / Q000302:isolation & purification; D003851:Deoxyribonucleases / Q000494:pharmacology; D004912:Erythrocytes / Q000032:analysis / Q000648:ultrastructure*; D006657:Histones / Q000032:analysis
chemical_list: D002843:Chromatin; D006657:Histones; D004247:DNA; D003851:Deoxyribonucleases