Lateral versus medial approach in valgus total knee arthroplasty: a systematic review and meta-analysis  
Ren Guangzong, Zhang Zhiliang, Han Pengfei, Chen Taoyu, Li Pengcui, Wei Xiaochun
Chinese Journal of Tissue Engineering Research . 2019, (8): 1275 -1281 .  DOI: 10.3969/j.issn.2095-4344.1057