PT - JOURNAL ARTICLE AU - Koh, Lee AU - Grigg, Jonathan AU - Whitehouse, Abigail TI - Personal monitoring to reduce exposure to black carbon in children with asthma: a pilot study AID - 10.1183/23120541.00482-2021 DP - 2021 Oct 01 TA - ERJ Open Research PG - 00482-2021 VI - 7 IP - 4 4099 - http://openres.ersjournals.com/content/7/4/00482-2021.short 4100 - http://openres.ersjournals.com/content/7/4/00482-2021.full SO - erjor2021 Oct 01; 7