Pickled vegetables.
D000818:Animals; D002273:Carcinogens; D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000209:etiology; D005504:Food Analysis; D005519:Food Preservation; D006801:Humans; D007564:Japan / Q000453:epidemiology; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology / Q000209:etiology; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000209:etiology; D014675:Vegetables / Q000009:adverse effects* / Q000737:chemistry
D002273:Carcinogens