N. H. Seong

Prediction of collapse in femoral head osteonecrosis: a modified Kerboul method with use of magnetic resonance images.

Shin-Yoon Kim, Y. Ha, K. Koo, 2006, The Journal of bone and joint surgery. American volume.

A randomized clinical trial of cementless femoral stems with and without hydroxyapatite/tricalcium-phosphate coating: an 8- to 12-year follow-up study.

Seung-Baik Kang, Kyung-Hoi Koo, K. Koo, 2007, The Journal of arthroplasty.