RT Journal Article SR Electronic T1 Associations of aspirin, statins and metformin with lung cancer risk and related mortality JF Breathe JO Breathe FD European Respiratory Society SP 200325 DO 10.1183/20734735.0325-2020 VO 17 IS 2 A1 Armin Frille A1 Adrien Costantini A1 Katherina B. Sreter YR 2021 UL http://breathe.ersjournals.com/content/17/2/200325.abstract AB