Functional gastrointestinal disorders, lifestyle habits, and smartphone addiction in adolescents. La Pediatria Medica e Chirurgica, [S. l.], v. 43, n. 1, 2021. DOI: 10.4081/pmc.2021.238. Disponível em: https://www.pediatrmedchir.org/pmc/article/view/238. Acesso em: 29 mar. 2025.