LAKDAWALA, Yousuf A; MASOOD, Sabeen; GULZAR, Iqra; BATOOL, Farwa; ARSHAD, Rida. FREQUENCY OF APTHOUS ULCERS — A STUDY. Pakistan Oral & Dental Journal, [S. l.], v. 37, n. 3, p. 419–421, 2017. Disponível em: https://www.podj.com.pk/index.php/podj/article/view/51. Acesso em: 17 apr. 2026.