Relative significance of dietary sources of nitrate and nitrite.
D001939:Bread / Q000032:analysis; D004032:Diet; D005504:Food Analysis; D005519:Food Preservation; D005628:Frozen Foods; D005638:Fruit / Q000032:analysis; D006801:Humans; D008460:Meat / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D009573:Nitrites / Q000032:analysis; D012463:Saliva / Q000032:analysis; D014481:United States; D014675:Vegetables / Q000032:analysis; D014867:Water / Q000032:analysis
D009566:Nitrates; D009573:Nitrites; D014867:Water