PT - JOURNAL ARTICLE AU - Joaquim Gea AU - Jaume Sauleda AU - Joan M Broquetas TI - AUTHORS' REPLY AID - 10.1136/thx.49.9.940-a DP - 1994 Sep 01 TA - Thorax PG - 940--940 VI - 49 IP - 9 4099 - http://thorax.bmj.com/content/49/9/940.2.short 4100 - http://thorax.bmj.com/content/49/9/940.2.full SO - Thorax1994 Sep 01; 49