Methods: A total of 78 autistic children from the clinic of Institute of Mental Health, Peking University and 120 normal controls aged 3-6 years old from general kindergartens were tested with C-PEP.
方法 ：研究对象患儿组来自北京大学精神卫生研究所儿科门诊孤独症儿童 78人 ，正常对照组取自一般幼儿园 3 6岁儿童 12 0名。
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