title: Isolation of microsomal subfractions by use of density gradients.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient / Q000379:methods; D002586:Cesium; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D008099:Liver / Q000648:ultrastructure; D008862:Microsomes, Liver / Q000648:ultrastructure*; D051381:Rats
chemical_list: D002586:Cesium