Risk factors for Helicobacter pylori.
Edwards
F C
FC
Coghill
N F
NF
D005757:Gastritis, Atrophic / Q000382:microbiology; D016481:Helicobacter Infections / Q000209:etiology*; D016480:Helicobacter pylori; D006801:Humans; D012307:Risk Factors; D012959:Socioeconomic Factors