title: Pitfalls to avoid in determining N-nitroso compounds as a group.
mesh_terms: D001646:Bile / Q000032:analysis; D006801:Humans; D009602:Nitrosamines / Q000032:analysis; D009603:Nitroso Compounds / Q000032:analysis*
chemical_list: D009602:Nitrosamines; D009603:Nitroso Compounds