| Literature DB >> 19753953 |
Qian Ren1, Hongyan Xiong, Yafei Li, Rufu Xu, Caizhong Zhu.
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Year: 2009 PMID: 19753953 PMCID: PMC2728668 DOI: 10.1177/003335490912400517
Source DB: PubMed Journal: Public Health Rep ISSN: 0033-3549 Impact factor: 2.792