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A facile approach to synthesize SiO2 · Re2O3 (Re = Y, Eu, La, Sm, Tb, Pr) hollow sphere and its application in drug release

Zhihua Li*, Lin Zhu, Qian Liu, Yu Du and Feng Wang

Nanoscale Research Letters 2013, 8:435  doi:10.1186/1556-276X-8-435