Tajudeen, Yahaya, et al. “Concentrations and Health Risks of Particulate Matter (PM2.5) and Associated Elements in the Ambient Air of Lagos, Southwestern Nigeria”. Journal of Biological Research and Biotechnology, vol. 21, no. 3, Apr. 2023, pp. 2141-9, https://doi.org/10.4314//br.v21i3.9.