title: Epidemiological investigation on stomach cancer mortality in Chileans: association with nitrate fertilizer.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000382:Agricultural Workers' Diseases / Q000453:epidemiology / Q000401:mortality*; D000383:Agriculture; D002677:Chile; D005308:Fertilizers / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009566:Nitrates / Q000009:adverse effects*; D012424:Rural Population; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000139:chemically induced / Q000453:epidemiology / Q000401:mortality*; D014887:Weather
chemical_list: D005308:Fertilizers; D009566:Nitrates