C. Vardavas, F. Filippidis, and I. Agaku. Tobacco Control, 24 (5):
442-448(2015)First published online: June 16, 2014, http://dx.doi.org/10.1136/tobaccocontrol-2013-051394. (Eurobarometer).
F. Filippidis, I. Agaku, and C. Vardavas. The European Journal of Public Health, 25 (5):
814-818(2015)First published online: March 30, 2015, http://dx.doi.org/10.1093/eurpub/ckv068. (Eurobarometer).