title: N-Nitrosamines in gastric juice and atrophic gastritis: a pilot study.
mesh_terms: D004435:Eating; D005215:Fasting; D005750:Gastric Juice / Q000032:analysis*; D005756:Gastritis / Q000378:metabolism*; D005757:Gastritis, Atrophic / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009573:Nitrites / Q000032:analysis; D009602:Nitrosamines / Q000032:analysis*
chemical_list: D009573:Nitrites; D009602:Nitrosamines