Filippidis, Filippos T and Laverty, Anthony A and Mons, Ute and Jimenez-Ruiz, Carlos and Vardavas, Constantine I (2019) Changes in smoking cessation assistance in the European Union between 2012 and 2017: pharmacotherapy versus counselling versus e-cigarettes. Tobacco Control , 28 , (1) , 95 p.-100 p..