TY - JOUR T1 - WHO: Air pollution a continuing health threat in world’s cities JF - The Nation's Health JO - Nations Health SP - 19 LP - 19 VL - 42 IS - 1 AU - Donya Currie Y1 - 2012/02/01 UR - http://www.thenationshealth.org/content/42/1/19.1.abstract N2 - Air pollution is threatening health in many cities worldwide, according to World Health Organization data. ER -