目的分析银川市儿童青少年龋病患病的发展趋势及特点。
Objective To assess the dental caries prevalence of children in Yinchuan.
目的调查分析广东省青少年第一恒磨牙患龋情况，为防治对策提供依据。
Objective Based on the report of epidemiological investigation of oral Realth in Guandong in 1995.
目的调查分析广东省青少年第一恒磨牙患龋情况，为防治对策提供依据。
Objective Based on the report of epidemiological investigation of oral Realth in Guandong in 1995.
应用推荐