1Vincent SD, Lilly GE. Clinical, historic and therapeutic features of aphthous stomatitis. literayure review and open clinical trial employing steroids[J]. Oral Surg Oral Med Oral Pathol, 1992;74:79-86.
3Nasrolahei M, Maleki I, Emadian O. Helicobacter pylori colonization in dental plaque and gastric infection[J]. Rom J Gastroenterol, 2003;12(4):293-296.
4Pytko-Polonczyk J, Konturek SJ, Karczewska E, et al. Oral cavity as permanent reservoir of Helicobacter pylori and potential source of reinfection[J]. J Physiol Pharmacol, 1996;47(1):121-129.
