title: X-ray studies on "native" chromatin.
mesh_terms: D000818:Animals; D002843:Chromatin; D003890:Desiccation; D006657:Histones; D008274:Magnesium; D051381:Rats; D014961:X-Ray Diffraction
chemical_list: D002843:Chromatin; D006657:Histones; D008274:Magnesium