| Hans-Günter Meyer-Thompson | Nikotin
Cochrane: Smoking reduction interventions for smoking cessation.
Cochrane: Smoking reduction interventions for smoking cessation.
Lindson N, Klemperer E, Hong B, Ordóñez‐Mena JM, Aveyard P.
Cochrane Database of Systematic Reviews 2019, Issue 9. Art. No.: CD013183. DOI: 10.1002/14651858.CD013183.pub2.
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD013183.pub2/full#.XZhkMwkfL1k.twitter