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Digenis, G.A., Sandefer, E.P., Beihn, R.M. et al. Dual-Isotope Imaging of Neutron-Activated Erbium-171 and Samarium-153 and the in Vivo Evaluation of a Dual-Labeled Bilayer Tablet by Gamma Scintigraphy. Pharm Res 8, 1335–1340 (1991). https://doi.org/10.1023/A:1015876401639
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DOI: https://doi.org/10.1023/A:1015876401639