TY - JOUR T1 - More than 90% of the world’s children breathe toxic air every day JF - Saudi Medical Journal JO - Saudi Med J SP - 1267 LP - 1268 VL - 39 IS - 12 A2 - , Y1 - 2018/12/01 UR - http://smj.org.sa/content/39/12/1267.abstract N2 - ER -