Driga, Anna-Maria, and Athanasios Drigas. “ADHD in the Early Years: Pre-Natal and Early Causes and Alternative Ways of Dealing”. International Journal of Online and Biomedical Engineering (iJOE), vol. 15, no. 13, Sept. 2019, pp. pp. 95-102, doi:10.3991/ijoe.v15i13.11203.