Secondhand exposure to aerosol from electronic cigarettes: pilot study of assessment of tobacco-specific nitrosamine (NNAL) in urine Jose M. Martínez-Sánchez, Montse Ballbè, Raúl Pérez-Ortuño, Marcela Fu, Xisca Sureda, José A. Pascual, Armando Peruga, Esteve Fernández

Tackling second-hand exposure to tobacco smoke and aerosols of electronic cigarettes: the TackSHS project protocol Esteve Fernández, María José López, Silvano Gallus, Sean Semple, Luke Clancy, Panagiotis Behrakis, Ario Ruprecht, Giuseppe Gorini, Ángel López-Nicolás, Cornel Radu-Loghin, Joan B. Soriano

Effect of IQOS introduction on Philip Morris International cigarette sales in Spain: a Logarithmic Mean Divisa Index decomposition approach Antonio A. Golpe, Juan M. Martín-Álvarez, Aida Galiano, Eva Asensio