Kwang-Taek Ko

Esthetic impact of premolar extraction and nonextraction treatments on Korean borderline patients.

H. Hwang, Hoi-Jeong Lim, Kwang-Taek Ko, 2008, American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.