Letter: Ascorbic acid and nitrosamine.
D000818:Animals; D001205:Ascorbic Acid / Q000494:pharmacology*; D002273:Carcinogens / Q000037:antagonists & inhibitors; D009602:Nitrosamines / Q000037:antagonists & inhibitors*; D051381:Rats
D002273:Carcinogens; D009602:Nitrosamines; D001205:Ascorbic Acid