title: The BEIR IV report.
authors.forename: W H
authors.initials: WH
authors.lastname: Ellett
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*