目的了解合肥市4～ 8月龄婴儿气质因子水平及气质类型及双亲文化水平对婴儿气质类型的影响。
Objective To understand temperament factors and temperament type of babies at age of 4-8 months and influence of their parents on them.
本文对兰州市3月—17周岁的儿童及青少年1320人，男660人，女660人进行了骨龄研究。
This paper studied the skeletal age of 1320 infants and adolescents of 3 months to 17 years (including 660 males, 660 females) in Lanzhou City.
材料与方法：本研究以基隆市社区阖家欢筛检为主，邀请2003至2005年年龄35-44岁参加民众牙周病筛检，同时进行CPI及LA为筛检方法。
Methods: Study population was based on participants in routine KCIS program who were 35-44 years from 2003 to 2005. The CPI and LA were used as screening tool to assess the status of PD.
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