Hamid Faisal Abdul, Hasbullah Ahmad Hadyan Husainy, Ban Andrea Yu-Lin
Respiratory Unit, Dept of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia.
Breathe (Sheff). 2020 Dec;16(4):200065. doi: 10.1183/20734735.0065-2020.