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Popova S, Mohapatra S, Patra J, Duhig A, Rehm J.Popova S, et al. Among authors: patra j.Int J Environ Res Public Health. 2011 Aug;8(8):3351-64. doi: 10.3390/ijerph8083351. Epub 2011 Aug 16.Int J Environ Res Public Health. 2011.PMID: 21909311Free PMC article.Review.
Popova S, Patra J, Rehm J.Popova S, et al. Among authors: patra j.Int J Environ Res Public Health. 2009 Aug;6(8):2179-92. doi: 10.3390/ijerph6082179. Epub 2009 Aug 6.Int J Environ Res Public Health. 2009.PMID: 19742154Free PMC article.