9Andy Sun, Song-Chyr Lin et al. HLA-DR and DQ antigens in Chinese patients with Behcet's disease[J]. J Oral Pathol Med, 1993,22: 60.
10A,Sun J. G. Chang,et al. Human cytomegalovirus as a potential etiologic in recurrent aphthous ulcers and Behcet's disease[J]. J oral Pathol Med, 1996,25:212.