title: Comparison of 3H-cytidine and 3H-5-uridine as precursors of RNA.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis*; D007668:Kidney / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D008297:Male; D012515:Mast-Cell Sarcoma / Q000378:metabolism; D051379:Mice; D009705:Nucleosides / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*; D013154:Spleen / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism*
chemical_list: D009705:Nucleosides; D014316:Tritium; D012313:RNA; D004247:DNA; D013936:Thymidine; D014529:Uridine