Concentrated ambient air particles induce vasoconstriction of small pulmonary arteries in rats - Batalha, João R. F.; Saldiva, Paulo Hilário Nascimento; Clarke, Robert W.; Coull, Brent A.; Stearns, Rebecca C.; Lawrence, Joy; Murthy, G. G. Krishna; Koutrakis, Petros; Godleski, John J. (Environmental Health Perspectives, 2002)