Nadia Sultan, Waqas Cheema, Taimoor Hashmi, Asad Ali Ch, Saima Rehman and Ghazala Butt (2022) “To compare the added effectiveness of ketotifen along with traditional H1 anti histamines for the symptomatic improvement of chronic idiopathic urticaria”, Journal of Pakistan Association of Dermatologists, 31(4), pp. 665–671. Available at: https://www.jpad.com.pk/index.php/jpad/article/view/1883 (Accessed: 26February2026).