Trisomy 21 and the subject of language: Its constitution through orality. Research, Society and Development, [S. l.], v. 15, n. 1, p. e4315150519, 2026. DOI: 10.33448/rsd-v15i1.50519. Disponível em: https://rsdjournal.org/rsd/article/view/50519. Acesso em: 22 jan. 2026.