A burning need to redefine airways disease: Biomass smoke exposure identified as a unique risk factor for asthma-chronic obstructive pulmonary disease overlap in low- and middle-income countries
1 Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California, Davis, California.
2 Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California, Davis, California. Electronic address: haczku@ucdavis.edu.