ADIGUN, A.; YEMITAN, . T.; UTI, O. Relationship between maxillary midline diastema width and labial frenum attachment in a sample of Nigerian adolescents: A cross-sectional study. Nigerian Journal of Medicine, [S. l.], v. 31, n. 3, p. 274–279, 2022. DOI: 10.4103/njm.njm_28_22. Disponível em: https://www.ajol.info/index.php/njm/article/view/228779. Acesso em: 27 sep. 2026.