| web | https://www.ncbi.nlm.nih.gov/pubmed/17450237 |
| author | Wang SX, Wang ZH, Cheng XT |
| publication | Environ Health Perspect |
| date | 2007-01-09 |
| web | Wang SX, Wang ZH, Cheng XT | Environ Health Perspect | 2007-01-09 |
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