Cytisine, the world's oldest smoking cessation aid
Crossref DOI link: https://doi.org/10.1136/bmj.f5198
Published Online: 2013-08-23
Published Print: 2013-08-23
Update policy: https://doi.org/10.1136/crossmarkpolicy
Prochaska, J. J.
Das, S.
Benowitz, N. L.