Nam KW, Kim YL, Yoo JJ, Koo KH, Yoon KS, Kim HJ. Fate of untreated asymptomatic osteonecrosis of the femoral head. J Bone Joint Surg Am. 2008 Mar;90(3):477-84.

Yoon KS, Kim HJ, Lee JH, Kang SB, Seong NH, Koo KH. A randomized clinical trial of cementless femoral stems with and without hydroxyapatite/tricalcium-phosphate coating: an 8- to 12-year follow-up study.J Arthroplasty. 2007 Jun;22(4):504-8.

Jo CH, Yoon KS, Lee JH, Kang SB, Lee MC.The slippage-proof knot: a new, nonstacking, arthroscopic, sliding locking knot with a lag bight.Orthopedics. 2007 May;30(5):349-50.

Yoo JJ, Kim YM, Yoon KS, Koo KH, Kim JW, Nam KW, Kim HJ. Contemporary alumina-on-alumina total hip arthroplasty performed in patients younger than forty years: a 5-year minimum follow-up study.J Biomed Mater Res B Appl Biomater. 2006 Jul;78(1):70-5.

Yoo JJ, Kim YM, Yoon KS, Koo KH, Song WS, Kim HJ. Alumina-on-alumina total hip arthroplasty. A five-year minimum follow-up study.J Bone Joint Surg Am. 2005 Mar;87(3):530-5