Helicobacter pylori - a conundrum of genetic diversity Marshall, David G. and Dundon, William G. and Beesley, Sarah M. and Smyth, Cyril J.,, 144, 2925-2939 (1998), doi = https://doi.org/10.1099/00221287-144-11-2925, publicationName = Microbiology Society, issn = 1350-0872, abstract= , language=, type=