PT - JOURNAL ARTICLE AU - Craig Skinner TI - AUTHOR'S REPLY AID - 10.1136/thx.50.12.1326-a DP - 1995 Dec 01 TA - Thorax PG - 1326--1327 VI - 50 IP - 12 4099 - http://thorax.bmj.com/content/50/12/1326.2.short 4100 - http://thorax.bmj.com/content/50/12/1326.2.full SO - Thorax1995 Dec 01; 50