title: Nucleotide sequences within the ribosomal ribonucleic acids of HeLa cells, Xenopus laevis and chick embryo fibroblasts.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002642:Chick Embryo; D005347:Fibroblasts / Q000032:analysis; D006367:HeLa Cells / Q000032:analysis; D009843:Oligoribonucleotides / Q000032:analysis; D012334:RNA, Neoplasm; D012335:RNA, Ribosomal; D012260:Ribonucleases; D013045:Species Specificity; D014981:Xenopus
chemical_list: D009843:Oligoribonucleotides; D012334:RNA, Neoplasm; D012335:RNA, Ribosomal; D012260:Ribonucleases