PT  - JOURNAL ARTICLE
ED - BMJ Publishing Group Ltd and British Thoracic Society
TI  - Proceedings of the British Thoracic Society
AID  - 10.1136/thx.46.4.277P
DP  - 1991 Apr 01
TA  - Thorax
PG  - 277P--323P
VI  - 46
IP  - 4
4099  - http://thorax.bmj.com/content/46/4/277P.short
4100  - http://thorax.bmj.com/content/46/4/277P.full
SO  - Thorax1991 Apr 01; 46