A study of cigarette smoke and cigarette paper smoke alone.
D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D012878:Skin Neoplasms; D012906:Smoke; D012907:Smoking; D014026:Nicotiana
D012906:Smoke
LUNG NEOPLASMS/etiology and pathogenesis; SKIN NEOPLASMS/experimental; SMOKING