Nitrogen oxide content of smokes from different types of tobacco.
D009569:Nitric Oxide; D009584:Nitrogen / Q000737:chemistry*; D009589:Nitrogen Oxides; D012906:Smoke; D012907:Smoking; D014026:Nicotiana / Q000737:chemistry*
D009589:Nitrogen Oxides; D012906:Smoke; D009569:Nitric Oxide; D009584:Nitrogen
NITROGEN/chemistry; TOBACCO/chemistry