Towards smoke-free rental cars: an evaluation of voluntary smoking restrictions in California
Georg E Matt, Addie L Fortmann, Penelope J E Quintana, Joy M Zakarian, Romina A Romero, Dale A Chatfield, Eunha Hoh, Melbourne F Hovell
Tobacco Control May 2013, 22 (3) 201-207; DOI: 10.1136/tobaccocontrol-2011-050231