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Lund BM.Lund BM.Int J Environ Res Public Health. 2015 Aug 21;12(8):10117-32. doi: 10.3390/ijerph120810117.Int J Environ Res Public Health. 2015.PMID: 26308030Free PMC article.Review.
Lund BM, Graham AF, George SM.Lund BM, et al.J Appl Bacteriol. 1988 Mar;64(3):241-6. doi: 10.1111/j.1365-2672.1988.tb03381.x.J Appl Bacteriol. 1988.PMID: 3290178