PT - JOURNAL ARTICLE AU - Laverty, Anthony A AU - Filippidis, Filippos T AU - Been, Jasper V AU - Campbell, Frances AU - Cheeseman, Hazel AU - Hopkinson, Nicholas S TI - Smoke-free vehicles – impact of legislation on child smoke exposure across three countries AID - 10.1183/13993003.04600-2020 DP - 2021 Jan 01 TA - European Respiratory Journal PG - 2004600 4099 - http://erj.ersjournals.com/content/early/2021/09/09/13993003.04600-2020.short 4100 - http://erj.ersjournals.com/content/early/2021/09/09/13993003.04600-2020.full