PT - JOURNAL ARTICLE AU - Yousaf, Zohaib AU - Jamshaid, Muhammad Bilal AU - Khan, Dawlat AU - Murshed, Khaled A. AU - Munir, Huma TI - Fade to black! AID - 10.1183/20734735.0221-2020 DP - 2020 Dec 01 TA - Breathe PG - 200221 VI - 16 IP - 4 4099 - http://breathe.ersjournals.com/content/16/4/200221.short 4100 - http://breathe.ersjournals.com/content/16/4/200221.full SO - Breathe2020 Dec 01; 16