Smith, C, et al. “Over-Prescription of Short-Acting β2-Agonists for Asthma in South Africa: Results from the SABINA III Study”. African Journal of Thoracic and Critical Care Medicine, vol. 28, no. 4, Dec. 2022, pp. 172-80, https://doi.org/10.7196/AJTCCM.2022.v28i4.220.