期刊
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
卷 302, 期 2, 页码 195-197出版社
AMER MEDICAL ASSOC
DOI: 10.1001/jama.2009.984
关键词
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资金
- Divn Of Social and Economic Sciences
- Direct For Social, Behav & Economic Scie [1047757] Funding Source: National Science Foundation
- Divn Of Social and Economic Sciences
- Direct For Social, Behav & Economic Scie [0820197] Funding Source: National Science Foundation