Laboratory of Integrated Exploitation of Bayan Obo Multi-Metal Resources, Inner Mongolia University of Science and Technology, Baotou 014010, P. R. China School of Materials and Metallurgy, Inner ...

Two investigators (Shu-Han Wang, Ze-Jiong Li) independently screened all records ... data were extracted independently by two authors and then reviewed by a third author (Qin-Yi Lou). Any disputes ...