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Kang CM, Koutrakis P, Suh HH.Kang CM, et al. Among authors: koutrakis p.J Air Waste Manag Assoc. 2010 Nov;60(11):1327-34. doi: 10.3155/1047-3289.60.11.1327.J Air Waste Manag Assoc. 2010.PMID: 21141426Free PMC article.
Brauer M, Koutrakis P, Keeler GJ, Spengler JD.Brauer M, et al. Among authors: koutrakis p.J Air Waste Manage Assoc. 1991 Feb;41(2):171-81. doi: 10.1080/10473289.1991.10466834.J Air Waste Manage Assoc. 1991.PMID: 2054163