SEHGAL, R.; GULATI, S.; GUPTA, Y. K.; SAPRA, S.; PANDEY, R. M.; KABRA, M. Blood heavy metal levels in children with attention deficit hyperactivity disorder: an unsolved enigma. International Journal of Contemporary Pediatrics, [S. l.], v. 7, n. 3, p. 640–646, 2020. DOI: 10.18203/2349-3291.ijcp20200693. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/3097. Acesso em: 6 nov. 2025.