Ernest, M. V. and Victor-Osho, O. W. (2015) “A Survey of Retention Protocols among Orthodontists in Nigeria”, West African Journal of Orthodontics, 4(1), pp. 26–30. Available at: https://wajo.oauife.edu.ng/index.php/wajo/article/view/34 (Accessed: 10 October 2026).