Salted fish.
D000818:Animals; D002273:Carcinogens / Q000032:analysis; D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D006224:Cricetinae; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000209:etiology; D005399:Fishes; D005502:Food / Q000009:adverse effects*; D005504:Food Analysis; D005519:Food Preservation; D005520:Food Preservatives / Q000009:adverse effects; D006801:Humans; D009152:Mutagenicity Tests; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology / Q000209:etiology; D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology; D009602:Nitrosamines / Q000009:adverse effects / Q000032:analysis; D017673:Sodium Chloride, Dietary / Q000009:adverse effects; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000209:etiology
D002273:Carcinogens; D005520:Food Preservatives; D009602:Nitrosamines; D017673:Sodium Chloride, Dietary