title: Structural analysis of nucleolar precursors of ribosomal ribonucleic acid. Comparative hybridizations of nucleolar and ribosomal ribonucleic acid with nucleolar deoxyribonucleic acid.
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular; D002466:Cell Nucleolus; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D004273:DNA, Neoplasm; D008113:Liver Neoplasms; D008297:Male; D008954:Models, Biological; D009691:Nucleic Acid Denaturation; D009711:Nucleotides / Q000032:analysis; D010759:Phosphorus Isotopes; D012334:RNA, Neoplasm; D051381:Rats; D012270:Ribosomes
chemical_list: D004273:DNA, Neoplasm; D009711:Nucleotides; D010759:Phosphorus Isotopes; D012334:RNA, Neoplasm