E. Lauwers, B. T. Vanlerberghe, A.-S. D’hont, I. Hoffman, and K. Van Hoeve, “Recurrent oral aphthosis as the solitary clinical manifestation of Crohn’s disease in children: a case report”, Belg J Paediatr, vol. 25, no. 2, pp. 97–99, Jul. 2023.