报道而已.
有同行评议的结果吗? 有人重复并证实过吗? 此论文的数据来自电话询问, 几百人,一个州. 小样本.
本帖于 2018-02-15 10:43:39 时间, 由普通用户 零不是数 编辑
报道而已.
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