PT - JOURNAL ARTICLE AU - U. Costabel TI - Ask the expert - diffuse interstitial lung disease DP - 2007 Dec 01 TA - Breathe PG - 165--172 VI - 4 IP - 2 4099 - http://breathe.ersjournals.com/content/4/2/165.short 4100 - http://breathe.ersjournals.com/content/4/2/165.full SO - breathe2007 Dec 01; 4