TABLE 6.

The top 10 co-cited references in terms of the research on the association of rare earth elements with cancer [n (%)].

Rank	Co-cited references	Co-citation
1	Caravan P, 1999. Gadolinium (III) Chelates as MRI Contrast Agents: Structure, Dynamics, and Applications. Chem Rev. V99, P2293.	239
2	Salem R, 2006. Radioembolization with 90 Yttrium microspheres: a state-of-the-art brachytherapy treatment for primary and secondary liver malignancies. Part 1: Technical and methodologic considerations. J Vasc Interv Radiol. V17, P1251.	140
3	Pirmohamed T, 2010. Nanoceria exhibit redox state-dependent catalase mimetic activity. Chem Commun (Camb). V4, P2736.	120
4	Weinmann HJ, 1984. Characteristics of gadolinium-DTPA complex: a potential NMR contrast agent. AJR Am J Roentgenol. V142, P619	119
5	Korsvik C, 2007. Superoxide dismutase mimetic properties exhibited by vacancy engineered ceria nanoparticles. Chem Commun (Camb). V142, P619	117
6	Mosmann T, 1983. Rapid colorimetric assay for cellular growth and survival: application to proliferation and cytotoxicity assays. J Immunol Methods. V65, P55	117
7	Kennedy A, 2007. Recommendations for radioembolization of hepatic malignancies using yttrium-90 microsphere brachytherapy: a consensus panel report from the radioembolization brachytherapy oncology consortium. Int J Radiat Oncol Biol Phys. V68, P13	116
8	Tarnuzzer RW, 2005. Vacancy engineered ceria nanostructures for protection from radiation-induced cellular damage. Nano Lett. V5, P2573	114
9	Salem R, 2010. Radioembolization for hepatocellular carcinoma using Yttrium-90 microspheres: a comprehensive report of long-term outcomes. Gastroenterology. V138, P52	104
10	Bünzli JC, 2010. Lanthanide luminescence for biomedical analyses and imaging. Chem Rev. V110, P2729	104