PT - JOURNAL ARTICLE AU - Geddes, DM AU - Corrin, B TI - REPLY AID - 10.1136/thx.47.3.207-c DP - 1992 Mar 01 TA - Thorax PG - 207--207 VI - 47 IP - 3 4099 - http://thorax.bmj.com/content/47/3/207.4.short 4100 - http://thorax.bmj.com/content/47/3/207.4.full SO - Thorax1992 Mar 01; 47