影响正常牙合儿童后前面高比值的相关因素

赵青,谭震,魏永群,赵美英

A Study on the Correlation between Facial Growth Pattern and Posterior-anterior Ratio

Zhao Qing,Tan Zhen,ZhaoMeiying, et al.

华西口腔医学杂志 . 2002, (05): 320 -322 .