title: A new electron microscopic technique for establishing the positions of genes: an analysis of the yeast ribosomal RNA coding region.
mesh_terms: D001483:Base Sequence; D004265:DNA Helicases; D004277:DNA, Single-Stranded; D005815:Genetic Code; D008854:Microscopy, Electron; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000235:genetics*; D012441:Saccharomyces cerevisiae / Q000235:genetics / Q000648:ultrastructure
chemical_list: D004277:DNA, Single-Stranded; D012335:RNA, Ribosomal; D004265:DNA Helicases