title: Letter: Nitrites in foods.
mesh_terms: D002273:Carcinogens; D005519:Food Preservation; D008460:Meat; D009566:Nitrates; D009573:Nitrites; D009602:Nitrosamines
chemical_list: D002273:Carcinogens; D009566:Nitrates; D009573:Nitrites; D009602:Nitrosamines