Nitrite and N-nitroso compounds in gastric juice.
D002273:Carcinogens; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D008163:Luminescent Measurements; D008722:Methods; D009573:Nitrites / Q000032:analysis*; D009602:Nitrosamines / Q000032:analysis; D009603:Nitroso Compounds / Q000032:analysis*
D002273:Carcinogens; D009573:Nitrites; D009602:Nitrosamines; D009603:Nitroso Compounds; C013621:nitrosamides