Epidemiological approaches to the aetiology of chronic atrophic gastritis.
D001284:Atrophy; D001604:Berlin; D002908:Chronic Disease; D004812:Epidemiologic Methods; D005260:Female; D005753:Gastric Mucosa; D005756:Gastritis / Q000150:complications / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000209:etiology