Nitrates, nitrites, and nitrosamines.
D000397:Air Pollution; D004032:Diet; D005396:Fish Products; D005503:Food Additives / Q000633:toxicity*; D008460:Meat; D009566:Nitrates / Q000633:toxicity*; D009573:Nitrites / Q000633:toxicity*; D009602:Nitrosamines / Q000633:toxicity*; D012906:Smoke; D014675:Vegetables
D005503:Food Additives; D009566:Nitrates; D009573:Nitrites; D009602:Nitrosamines; D012906:Smoke