Impact of Disease History on the Efficacy of Ritlecitinib (PF-06651600) in Patients With Alopecia Areata: Post Hoc Analysis of the ALLEGRO Phase 2b/3 Study. J of Skin [Internet]. 2022 Nov. 16 [cited 2025 Apr. 5];6(6):s101. Available from: https://skin.dermsquared.com/skin/article/view/1860