Al-Ghurabei B, Saliah M, Al-Hassan A, Al-Nema A, Kadem A. Genotyping of HLA-class-I and II by PCR-SSP of Patients with Recurrent Aphthous Stomatitis. J Fac Med Bagdad [Internet]. 1Apr.2012 [cited 2Dec.2019];54(1):73-8. Available from: http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/775