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Pierse, N; Rushton, L; Harris, R S; Kuehni, C E; Silverman, M; Grigg, J (2006). Locally generated particulate pollution and respiratory symptoms in young children. Thorax, 61(3), 216-20. Epub 2006 Jan 5.. London: BMJ Publishing Group 10.1136/thx.2004.036418
