PT - JOURNAL ARTICLE AU - S T Weiss AU - A A Litonjua TI - Author’s reply AID - 10.1136/thx.2007.092569 DP - 2008 Mar 01 TA - Thorax PG - 293--293 VI - 63 IP - 3 4099 - http://thorax.bmj.com/content/63/3/293.2.short 4100 - http://thorax.bmj.com/content/63/3/293.2.full SO - Thorax2008 Mar 01; 63