title: Nitrites: FDA beats a surprising retreat.
mesh_terms: D000818:Animals; D002273:Carcinogens; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009573:Nitrites / Q000009:adverse effects*; D009602:Nitrosamines; D051381:Rats; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D002273:Carcinogens; D009573:Nitrites; D009602:Nitrosamines