Ernawati, D. S., B. Soebadi, and D. Radithia. “Human-Leukocyte Antigen Typing in Javanese Patients With Recurrent Aphthous Stomatitis”. Dental Journal, vol. 43, no. 1, Mar. 2010, pp. 26-30, doi:10.20473/j.djmkg.v43.i1.p26-30.