title: Sequence variation in Helicobacter pylori.
authors.forename: M
authors.initials: M
authors.lastname: Achtman
authors.forename: S
authors.initials: S
authors.lastname: Suerbaum
mesh_terms: D005798:Genes, Bacterial; D014644:Genetic Variation; D016481:Helicobacter Infections / Q000453:epidemiology / Q000382:microbiology; D016480:Helicobacter pylori / Q000235:genetics*; D006801:Humans; D011995:Recombination, Genetic; D017422:Sequence Analysis, DNA