title: Cigarette smoking, pulmonary metastases, and breast carcinoma: coincidence or causality?
authors.forename: G A
authors.initials: GA
authors.lastname: Lillington
authors.forename: D P
authors.initials: DP
authors.lastname: Sachs
mesh_terms: D001943:Breast Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000556:secondary*; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology