title: [Radiation-hygienic significance of natural carbon-14].
mesh_terms: D001417:Background Radiation; D002247:Carbon Isotopes; D004247:DNA / Q000378:metabolism; D009587:Nitrogen Isotopes; D011831:Radiation Genetics; D012440:Saccharomyces / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D013941:Thymine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D009587:Nitrogen Isotopes; D004247:DNA; D013941:Thymine; D013936:Thymidine
vernacular_title: O radiatsionno-gigienicheskom znachenii prirodnogo ugleroda-14.