PT  - JOURNAL ARTICLE
AU - JEH
TI  - Chest Medicine
AID  - 10.1136/thx.44.10.833
DP  - 1989 Oct 01
TA  - Thorax
PG  - 833--833
VI  - 44
IP  - 10
4099  - http://thorax.bmj.com/content/44/10/833.1.short
4100  - http://thorax.bmj.com/content/44/10/833.1.full
SO  - Thorax1989 Oct 01; 44