3[1]Hmmar M, Tyszkiewicz T, Wadstrom T, et al. Rapid detection of Helicobacter pylori in gastric biopsy material by polymerase chain reaction. J Clin Microbiol, 1992, 30 (1): 54-58.
4[2]DoreDavin C, Heitz M, Yang H, et al. Helicobacter pylori in the oral cavity reflects handling of contaminants but not gastric infection. Digestion, 1999, 60 (3): 16-20.
5[3]Fujimoto S, Marshall B, Blaser M. PCR-Based restriction fragment length polymorphism typing of Helicobacter pylori. J Clin Microbiol, 1994, 32 (2): 331-334.
6[4]Tee W, Lambert J, Smallwood R, et al. Ribotyping of Helicobacter pylori from clinical specimens. J Clin Microbiol, 1992, 30 (6): 1562-1567.
7[5]Hua J, Ng HC, Yeoh KG, et al. Predominance of a single of Helicobacter pylori in gastric antrum. Helicobacter, 1999, 4 (1): 28-32.
8[6]Shortridge VD, Stone GG, Flamm RK, et al. Molecular typing of Helicobacter pylori isolates from a multicenter U.S. clinical trial by ureC restriction fragment length polymorphism. J Clin Microbiol, 1997, 35 (2): 471-473.
9[7]Li C, Ha T, Chi DS, et al. Differentiation of Helicobacter pylori strains directly from gastric biopsy specimens by PCR-based restriction fragment length polymorphism analysis without culture. J Clin Microbiol, 1997, 35 (12): 3021-3025.
10[8]Rauws EAJ, Langenberg W, Oudbier J, et al. Familial clustering of peptic ulcer disease colonized with C. pylori of the same DNA composition. Gastroenterology, 1989, 96 (5): A409-A410.