Barbora Blazkova, et al. “Determining the Effect of Polycyclic Aromatic Hydrocarbons Exposure on Cognitive Development in 5 Years Old Children: A Case Study in the Czech Republic”. Recent Developments in Medicine and Medical Research Vol. 10, Oct. 2021, pp. 62-78, doi:10.9734/bpi/rdmmr/v10/14385D.