Managed care and health care expenditures evidence from medicare, 1990-1194
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Cambridge, Mass.
National Bureau of Economic Research
1997.
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| 丛编: | NBER working paper series
no.6187 |
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| 在线阅读: | Click here to download the fulltext |