Zeb, S., and A. Iftikhar. “Accuracy of in-Built Tip and Effective Tip Expression Capacity of Different Bracket Sets With 19x25 Stainless Steel Arch wire.? A Cross-Sectional Evaluation”. Pakistan Orthodontic Journal, vol. 17, no. 2, Dec. 2025, pp. 78-85, https://poj.org.pk/index.php/poj/article/view/413.