Qin Zishun, Yin Lihua, Wang Kaijuan, Liu Qi, Cheng Wenxiao, Gao Peng, Sun Kemo, Zhong Mei, Yu Zhanhai. Effects of Icariin promotion on proliferation and osteogenic differentiation of human periodontal ligament stem cells[J]. West China Journal of Stomatology, doi: 10.7518/hxkq.2015.04.010.