Hlophe, S T, et al. “Interventions to Reduce the Impact of Outdoor Air Pollution on Asthma: A Systematic Review”. African Journal of Thoracic and Critical Care Medicine, vol. 30, no. 3, Oct. 2024, p. e1992, https://doi.org/10.7196/AJTCCM.2024.v30i3.1992.