Validity of self-reported indicators to assess secondhand smoke exposure in the home. - Arechavala, Teresa; Continente, Xavier; Pérez-Ríos, Mónica; Fernández, Esteve; Cortés-Francisco, Núria; Schiaffino, Anna; Centrich, Francesc; Muñoz, Glòria; López, María José (Environmental Research, 2018)