The use of radioisotopes as tracers in cigarette smoke.
D006801:Humans; D007554:Isotopes; D008168:Lung / Q000502:physiology*; D009657:North Carolina; D011868:Radioisotopes; D012129:Respiratory Function Tests; D012906:Smoke; D012907:Smoking; D014026:Nicotiana
D007554:Isotopes; D011868:Radioisotopes; D012906:Smoke
ISOTOPES; LUNGS/physiology; SMOKE