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Socioeconomic determinants of out-of-pocket pharmaceutical expenditure among middle-aged and elderly adults based on the China Health and Retirement Longitudinal Survey
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Journal Title: | BMJ Open |
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Authors and Corporations: | , , , |
In: | BMJ Open, 9, 2019, 7, p. e024936 |
Type of Resource: | E-Article |
Language: | English |
published: |
BMJ
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Subjects: |