Comparison of percutaneous vertebroplasty and percutaneous curved vertebroplasty for osteoporotic vertebral compression fractures: distribution and leakage rate of injected bone cement 
Li Fanjie, Du Yibin, Liu Yiming, Zhang Zhidong, Li Jian, Ma Li, Li Chun, Cheng Yonghong
Chinese Journal of Tissue Engineering Research . 2020, (10): 1484 -1490 .  DOI: 10.3969/j.issn.2095-4344.2248