title: Effects of the use of high concentrations of Mg2+ in the preparation of proteins from rat liver ribosomes pretreated with polyvinyl sulfate. Improved methods for preparing ribosomal proteins from ribosomal precursor particles of liver nucleoli.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008274:Magnesium; D011145:Polyvinyls; D051381:Rats; D012269:Ribosomal Proteins / Q000302:isolation & purification*; D012270:Ribosomes / Q000032:analysis*
chemical_list: D011145:Polyvinyls; D012269:Ribosomal Proteins; D008274:Magnesium