Effect of the comprehensive smoke-free law on time trends in smoking behaviour in primary healthcare patients in Spain: a longitudinal observational study
Mariona Pons-Vigués, Yolanda Rando-Matos, Teresa Rodriguez-Blanco, Josep Lluís Ballvé-Moreno, Joana Ripoll, Joan Llobera, Julio Morán, Tomàs López-Jiménez, Concepción Violán-Fors, Bonaventura Bolibar
BMJ Open Mar 2019, 9 (3) e020120; DOI: 10.1136/bmjopen-2017-020120