22% of preschool children, 8% of primary school students and 3% of adolescents have tics

 

作者: David EComings,  

 

期刊: Evidence Based Mental Health  （BMJ Available online 2003）
卷期: Volume 6, issue 1  

页码: 10-10

 

ISSN:1362-0347

 

年代: 2003

 

出版商: ebmental

 

数据来源: BMJ

 

 

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