title: Electron microscopic autoradiography of isolated nucleolar transcription units.
mesh_terms: D000663:Amphibians; D000818:Animals; D001345:Autoradiography / Q000379:methods*; D002466:Cell Nucleolus / Q000378:metabolism*; D005260:Female; D008954:Models, Biological; D009865:Oocytes / Q000378:metabolism; D012313:RNA / Q000096:biosynthesis; D013223:Statistics as Topic; D014158:Transcription, Genetic
chemical_list: D012313:RNA