Sustained hair regrowth with ritlecitinib to Week 48 in patients with alopecia areata: post hoc analysis of the ALLEGRO phase 2b/3 study. J of Skin [Internet]. 2023 Mar. 13 [cited 2026 May 13];7(2):s188. Available from: https://skin.dermsquared.com/skin/article/view/2003