Average standardized absolute mean distance before and after propensity score adjustment by 4 different applications in 20% of the total respondents, a cross sectional study in five cities, china, 2007–2008 (n = 3,179).
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资源简介：
Average standardized absolute mean distance before and after propensity score adjustment by 4 different applications in 20% of the total respondents, a cross sectional study in five cities, china, 2007–2008 (n = 3,179).
创建时间：
2015-12-02
