DDS. MELANIE FERNANDA FERRÍN YÉPEZ , SCHOLAR. ANGÉLICA MIRANDA ARCE , ÁNGELA MERCEDES MURILLO ALMACHE. Chronological Age and Nolla’s stages in first permanent molars in children: radiographic observation. Cuestiones de Fisioterapia, [S. l.], v. 54, n. 5, p. 319–323, 2025. DOI: 10.48047/gm66nz84. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/3009.. Acesso em: 18 may. 2025.