title: Helicobacter pylori infection in a large company.
authors.forename: G
authors.initials: G
authors.lastname: Ziem
mesh_terms: D002617:Chemical Industry; D016481:Helicobacter Infections / Q000175:diagnosis / Q000453:epidemiology*; D016480:Helicobacter pylori / Q000276:immunology / Q000472:pathogenicity*; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D016272:Occupational Health; D015995:Prevalence
chemical_list: D007074:Immunoglobulin G