PT - JOURNAL ARTICLE AU - C P Van Schayck AU - C L A Van Herwaarden TI - AUTHORS' REPLY AID - 10.1136/thx.49.11.1182 DP - 1994 Nov 01 TA - Thorax PG - 1182--1182 VI - 49 IP - 11 4099 - http://thorax.bmj.com/content/49/11/1182.1.short 4100 - http://thorax.bmj.com/content/49/11/1182.1.full SO - Thorax1994 Nov 01; 49