Influence of short-term exposure to ultrafine and fine particles on systemic inflammation - Hertel, S; Viehmann, A; Moebus, S; Mann, K; Bröcker Preuss, M; Möhlenkamp, S; Nonnemacher, M; Erbel, R; Jakobs, H; Memmesheimer, M; Jöckel, KH; Hoffmann, B (Eur J Epidemiol, 2010)