title: A technique for monitoring the inhalation of cigarette smoke in man, using krypton-81m.
mesh_terms: D006801:Humans; D001239:Inhalation; D007726:Krypton / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D008991:Monitoring, Physiologic / Q000379:methods*; D011868:Radioisotopes; D012588:Scintillation Counting; D012907:Smoking
chemical_list: D011868:Radioisotopes; D007726:Krypton