title: Isolation and characterization of human ribosomal subunits.
mesh_terms: D002499:Centrifugation, Density Gradient; D004492:Edetic Acid / Q000494:pharmacology; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D010920:Placenta / Q000166:cytology; D011247:Pregnancy; D011506:Proteins / Q000302:isolation & purification; D012270:Ribosomes / Q000187:drug effects; D013395:Sucrose
chemical_list: D011506:Proteins; D013395:Sucrose; D004492:Edetic Acid