PT - JOURNAL ARTICLE AU - Jenn-Haung Lai AU - Shang-Jyh Kao AU - Chien-Yeh Shen TI - AUTHORS' REPLY AID - 10.1136/thx.46.9.688-c DP - 1991 Sep 01 TA - Thorax PG - 688--688 VI - 46 IP - 9 4099 - http://thorax.bmj.com/content/46/9/688.4.short 4100 - http://thorax.bmj.com/content/46/9/688.4.full SO - Thorax1991 Sep 01; 46