CHOMPALOV, Kostadin; BAHCHEVANOV, K.; ATANASSOVA, P. Cognitive functioning in middle age. Bulgarian Neurology, Sofia, Bulgaria, v. 21, n. 3, p. 106–110, 2020. Disponível em: https://www.nevrologiabg.com/journal/index.php/neurology/article/view/24. Acesso em: 10 oct. 2026.