Dzhambov, Angel, Karamfil M. Bahchevanov, Kostadin A. Chompalov, and Penka A. Atanassova. 2019. “A Feasibility Study on the Association Between Residential Greenness and Neurocognitive Function in Middle-Aged Bulgarians”. Archives of Industrial Hygiene and Toxicology 70 (3). https://doi.org/10.2478/aiht-2019-70-3326.