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Geiser, Marianne; Rothen-Rutishauser, B; Kapp, N; Schürch, S; Kreyling, W; Schulz, H; Semmler, M; Im Hof, V; Heyder, J; Gehr, P (2006). Respond: Ultrafine particles. Environmental health perspectives(114), A211-A213. Research Triangle Park, N.C.: National Institute of Environmental Health Sciences
