Media type: E-Article Title: Thorium-229 as an isotopic tracer for the radiochemical determination of thorium isotopes in biological samples Contributor: Wrenn, McDonald E.; Singh, Narayani P.; Ibrahim, Shawki A.; Cohen, Norman. Published: American Chemical Society (ACS), 1978 Published in: Analytical Chemistry, 50 (1978) 12, Seite 1712-1714 Language: English DOI: 10.1021/ac50034a039 ISSN: 0003-2700; 1520-6882 Keywords: Analytical Chemistry Origination: Footnote: