1Mapstone NP, Lynch DAF, Axon ATR, et al. The detection of Helicobacter pylori in faces by polymerase chain reaction. Int J Med Sci,1992,161:29.
2Shames B, Krajden S, Fuksa M, et al. Evidence for the occurrence of the same strain of compylohacter pylori in the stomach and dental plaque. J Clin Microbiol, 1989,27 : 2849.
3Desai HG ,Gill HH, Shankaran K ,et al. Dental plaque: a permanent reservior of Helicobacter pylori. Scan J Gastroentero, 1991,26:1205.
4Porter SR,Barker GR,Scully C,et al. Serum IgG antibodies to Helicobacter pylori with recurrent aphthous stomatitis and other oral disorders. Oral Surg Oral Med Oral Pathol, 1997,83: 325-328.
