title: Letter: Oesophageal cancer on the Caspian.
mesh_terms: D001628:Beverages / Q000009:adverse effects; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007492:Iran; D012426:Russia; D013696:Temperature; D044465:White People