[Swedish registries are of favour for epidemiological research].
Lennholm
B
B
D004812:Epidemiologic Methods; D016481:Helicobacter Infections / Q000150:complications* / Q000453:epidemiology; D016480:Helicobacter pylori / Q000302:isolation & purification; D006801:Humans; D012042:Registries; D012106:Research; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000382:microbiology*; D013548:Sweden / Q000453:epidemiology