【作者(必填)】Courtney HaroldVan Houtven,Edward C.Norton

【文题(必填)】Informal care and Medicare expenditures: Testing for heterogeneous treatment effects

【年份(必填)】Volume 27, Issue 1, January 2008, Pages 134-156

【全文链接或数据库名称(选填)】https://www.sciencedirect.com/science/article/pii/S0167629607000227?via%3Dihub