Article about lung cancer did not discuss nonsmokers with the disease.
Carolyn
C
Clary-Macy
D006801:Humans; D008175:Lung Neoplasms / Q000191:economics / Q000453:epidemiology / Q000209:etiology*; D009316:National Institutes of Health (U.S.) / Q000191:economics; D012109:Research Support as Topic / Q000706:statistics & numerical data; D012907:Smoking / Q000009:adverse effects; D014481:United States / Q000453:epidemiology