title: Comment on Chen et al.: Patellar resurfacing versus nonresurfacing in total knee arthroplasty: a meta-analysis of randomised controlled trials.
authors.forename: Chenli
authors.initials: C
authors.lastname: Ye
authors.forename: Guoping
authors.initials: G
authors.lastname: Liao
authors.forename: Shuai
authors.initials: S
authors.lastname: He
authors.forename: Zhongyi
authors.initials: Z
authors.lastname: Zhang
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D006801:Humans; D007719:Knee Joint / Q000601:surgery*; D007720:Knee Prosthesis; D020370:Osteoarthritis, Knee / Q000601:surgery*; D010329:Patella / Q000601:surgery*