| 引用本文: |
叶芳,冯瑶,奥登,等.应用协方差模型分析孕产妇死亡对农村家庭收支水平的影响[J].中国卫生经济,2014,(5):58-61.[点击复制] |
.The application of covariance analysis in the study about effect of maternal death on household income and expenditure[J].CHINESE HEALTH ECONOMICS,2014,(5):58-61.[点击复制] |
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| The application of covariance analysis in the study about effect of maternal death on household income and expenditure |
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