Martinez Sanchez, Jose M. and Fernández, Esteve and Fu, Marcela and Gallus, Silvano and Martínez, Cristina and Sureda, Xisca and La Vecchia, Carlo and Clancy, Luke (2010) Smoking behaviour, involuntary smoking, attitudes towards smoke-free legislations, and tobacco control activities in the European Union. PLoS ONE , 5 , (11) , e13881.