Underground mining, smoking, and lung cancer.
Archer
V E
VE
D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008875:Middle Aged; D008906:Mining; D011886:Radon / Q000009:adverse effects*; D012907:Smoking; D013997:Time Factors
D011886:Radon