Korean Journal of Health Promotion

: J Korean Dent Assoc. 1978;16(8):579-581. Published online August 31, 1978.; 질의응답; 최상묵¹, 유영규², 손동수³, 유영세조⁴; ¹치주과
²교정과
³소아치과
⁴교정과; Sang-Muk Choe¹, Yeong-Gyu Yu², Dong-Su Son³, Se-Jo YuYeong⁴