Malocclusions gingivitis in junior high school children in Tokyo
東京都区内中学生を対象とした不正こう合の発現ひん度と歯肉炎に関する研究

Masami YONEMITSU, Kayoko SHINADA, Kihoko HANDA, Naomi ISHII
1985 JOURNAL OF DENTAL HEALTH  
Tokyo Metropolitan Office of Education
doi:10.5834/jdh.35.218 fatcat:2hg3xntjvvd77gnlfjtw4mvoea