江苏省12~15岁中学生牙周健康状况抽样调查
肖滢 刘怡然 沈红 仇颖莹 沈家平
An epidemiological investigation of periodontal status in students aged 12 to 15 years old in Jiangsu Province
口腔医学 . 2020, (3): 249 -254 .