PT  - JOURNAL ARTICLE
AU  - George, PJM
AU  - Pearson, MC
AU  - Rudd, RM
AU  - Hetzel, MR
TI  - AUTHOR'S REPLY
AID  - 10.1136/thx.46.1.74-a
DP  - 1991 Jan 01
TA  - Thorax
PG  - 74--74
VI  - 46
IP  - 1
4099  - http://thorax.bmj.com/content/46/1/74.3.short
4100  - http://thorax.bmj.com/content/46/1/74.3.full
SO  - Thorax1991 Jan 01; 46