title: Excess risk of lung cancer in patients with rheumatoid arthritis.
authors.forename: M
authors.initials: M
authors.lastname: Kauppi
authors.forename: E
authors.initials: E
authors.lastname: Pukkala
authors.forename: H
authors.initials: H
authors.lastname: Isomäki
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications*; D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications*; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012737:Sex Factors; D012907:Smoking / Q000009:adverse effects