title: The effect of urea on the structure of nuclear ribonucleoprotein particles from rat liver.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D002499:Centrifugation, Density Gradient; D002942:Circular Dichroism; D008099:Liver / Q000378:metabolism*; D008297:Male; D008970:Molecular Weight; D009690:Nucleic Acid Conformation / Q000187:drug effects; D009698:Nucleoproteins / Q000378:metabolism*; D051381:Rats; D012261:Ribonucleoproteins / Q000378:metabolism*; D014508:Urea / Q000494:pharmacology*
chemical_list: D009698:Nucleoproteins; D012261:Ribonucleoproteins; D014508:Urea