title: Determination of trace levels of nitrosamines in air by gas chromatography/low-resolution mass spectrometry.
mesh_terms: D000388:Air / Q000032:analysis; D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry; D009602:Nitrosamines / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D009602:Nitrosamines