title: Nucleotides and nucleotide sugars in early development of Bufo arenarum. I. Mature oocytes.
mesh_terms: D000818:Animals; D002022:Bufo arenarum / Q000196:embryology*; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D004590:Electrophoresis, Paper; D005260:Female; D005306:Fertilization; D009702:Nucleoside Diphosphate Sugars / Q000032:analysis*; D009711:Nucleotides / Q000032:analysis*; D010053:Ovary; D010063:Ovum / Q000032:analysis
chemical_list: D002247:Carbon Isotopes; D009702:Nucleoside Diphosphate Sugars; D009711:Nucleotides