Nighttime smoking and lung cancer.
D002940:Circadian Rhythm; D005639:Frustration; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D010947:Plants, Toxic; D012649:Self Concept; D012907:Smoking / Q000150:complications*; D013997:Time Factors; D014026:Nicotiana