PT - JOURNAL ARTICLE AU - Nino Künzli TI - Effects of near-road and regional air pollution: the challenge of separation AID - 10.1136/thoraxjnl-2013-204991 DP - 2014 Jun 01 TA - Thorax PG - 503--504 VI - 69 IP - 6 4099 - http://thorax.bmj.com/content/69/6/503.short 4100 - http://thorax.bmj.com/content/69/6/503.full SO - Thorax2014 Jun 01; 69