Randomized Clinical Trial of Air Cleaners to Improve Indoor Air Quality and Chronic Obstructive Pulmonary Disease Health: Results of the CLEAN AIR Study.
Am J Respir Crit Care Med. 2022 Feb 15;205(4):421-430. doi: 10.1164/rccm.202103-0604OC.
Am J Respir Crit Care Med. 2022.
PMID:34449285
Clinical Trial.