title: CsCl equilibrium density gradient analysis of native ribosomal subunits (and ribosomes).
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000648:ultrastructure*; D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient / Q000379:methods; D002586:Cesium; D008274:Magnesium; D051379:Mice; D011188:Potassium; D012270:Ribosomes / Q000648:ultrastructure*
chemical_list: D002586:Cesium; D008274:Magnesium; D011188:Potassium