title: Regulation of ribosomal ribonucleic acid levels in growing, 3H-arrested, and crisis-phase WI-38 human diploid fibroblasts.
mesh_terms: D002250:Carbon Radioisotopes; D002455:Cell Division; D002460:Cell Line; D002467:Cell Nucleus / Q000378:metabolism; D005347:Fibroblasts / Q000378:metabolism; D006801:Humans; D007700:Kinetics; D007930:Leucine / Q000378:metabolism; D008168:Lung / Q000196:embryology; D008715:Methionine / Q000378:metabolism; D012335:RNA, Ribosomal / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D012335:RNA, Ribosomal; D014316:Tritium; D008715:Methionine; D007930:Leucine; D013936:Thymidine