Click to increase image sizeClick to decrease image sizeKeywords: Singapore Statementresearch integrityethicsinternational research Acknowledgments This research was supported by the National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health (NIH). It does not represent the views of the NIEHS, NIH, or U.S. government.
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Resnik et al. (2011) studied this question.
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