[ $Fr\ddot{a}nkel$ ] Appliance

• Ryu, Young Kyu (Department of Orthodontics, College of Dentistry, Yonsei University) ;
• Sohn, Byung Hwa (Department of Orthodontics, College of Dentistry, Yonsei University) ;
• Park, Young Chel (Department of Orthodontics, College of Dentistry, Yonsei University) ;
• Oh, Sung San (Department of Orthodontics, College of Dentistry, Yonsei University)

• 유영규 (연세대학교 치과대학 교정학교실) ;
• 손병화 (연세대학교 치과대학 교정학교실) ;
• 박영철 (연세대학교 치과대학 교정학교실) ;
• 오성산 (연세대학교 치과대학 교정학교실)

• Published : 1983.03.01

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