Comparison of the low contact stress and press fit condylar rotating-platform mobile-bearing prostheses in total knee arthroplasty: a prospective randomized study. - Kim YH; Kim JS; Park JW; Joo JH; Kim, Young-Hoo; Kim, Jun-Shik; Park, Jang-Won; Joo, Jong-Hwan (Journal of Bone & Joint Surgery, American Volume, 2011)