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Balusamy, B., Ta?tan, B. E., Ergen, S. F., Uyar, T., & Tekinay, T. (2015). Toxicity of lanthanum oxide (La2O3) nanoparticles in aquatic environments. Environmental Science: Processes & Impacts, 17(7), 1265–1270. doi:10.1039/c5em00035a 
10.1039/C5EM00035A